...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7790023 | Adjustable floating weir apparatus The apparatus of this invention consists of a float assembly, constrained in its vertical movement by a perforated riser. The riser is surrounded by a flexible, bellows conduit which will allow the float assembly to move up and down the vertically disposed riser. Th... | 09/07/2010 |
| 7789356 | Stand assembly for an optical device A free-standing assembly maintains an optical device at a location spaced from a stand assembly supporting surface. The stand assembly comprises an elongated rail member having a longitudinal axis and a plurality of sides, leg support members each including a transv... | 09/07/2010 |
| 7775203 | Stand assembly for supporting free-standing objects A stand assembly for supporting vertically disposed free-standing objects and comprises a hub section including a hollow inner sleeve portion and a hollow outer sleeve portion effective for removably receiving the inner sleeve portion. Support leg members are fixedl... | 08/17/2010 |
| 7766586 | Quick change power tool chuck An improved quick change power tool chuck is provided which is principally used on a wood working router but could also be used in many other power tool applications. Key features of the quick change chuck include the unique way that it secures the cutting bit from ... | 08/03/2010 |
| 7424864 | Flag and flag kit This invention provides a flag (1), consisting of a flexible membrane (2), a shaft (3) and a distending mechanism comprising resilient rods (4.1) and (4.2). The shaft (3) is hollow and forms a sleeve about a flag staff (7). ... | 09/16/2008 |
| 7354414 | Vertical traction assembly and method A vertical traction assembly for using gravity to stretch a person's spine comprises a frame structure and a torso harness combination coupled to depend from the frame structure. The harness combination is effective to maintain a person in a vertical traction positi... | 04/08/2008 |
| 7337591 | Building construction system A structural forming assembly comprises wall molding panels for forming laterally spaced, opposed molding surfaces that define a wall mold cavity for forming a wall structure. The wall panels are vertically disposed and laterally spaced to provide the molding surfac... | 03/04/2008 |
| 7314217 | Presidential election game A political campaign game board has a play surface including a map of the United States with each state having indicia indicating the number of electoral votes assigned to each state, a plurality of spaces forming a play path that surrounds the map, a location for c... | 01/01/2008 |
| 7108109 | Mono-bloc brake caliper and evaporable pattern for casting same An evaporable foam pattern assembly for use in a process of casting a one-piece article in a mold filled with flowable particulate molding material. A first foam pattern section includes a first recess pattern portion and an adhesive surface pattern adapted to be jo... | 09/19/2006 |
| 7034552 | Operator sensing circuit for disabling motor of power equipment A calibrated operator-sensing circuit having a microcontroller that commands a charge-transfer sensor to send a sensor charge signal to a capacitive sensing electrode. The sensor receives a discharge signal from the electrode and outputs a corresponding raw data sig... | 04/25/2006 |
| 7028641 | Spring-loaded animal tether assembly A rigid animal tether assembly comprises a rigid outwardly extending tie section and a rigid, hollow inwardly extending tilt section. The tie section includes tie elements for tethering an animal at a distal end section thereof and being connected at an opposing cou... | 04/18/2006 |
| 6938960 | Top-loading container and cover assembly for collecting, storing, handling, and transporting bulk materials A top-loading container for collecting, storing, and transporting bulk material comprises a sidewall defining a load-carrying receptacle and includes an upwardly facing top peripheral edge section having an open top. A cover portion is mounted to freely move indepen... | 09/06/2005 |
| 6813805 | In vehicle vacuum system The present invention relates to a vacuum cleaning system and more particularly pertains to a direct port vacuum cleaning system for use in a motor vehicle anytime or anywhere. The system comprises a vacuum generating unit and a vacuum cleaner hose. The vacuum gener... | 11/09/2004 |
| 6619224 | Marine vessel A modular marine vessel has a variable hull and a plurality of boat forming modules including a bow section module, a load section module having a bow end and an aft end, and a bulkhead forming module is detachably connected to each bow and aft end of the... | 09/16/2003 |
| 6490751 | Vehicle vacuum system The present invention relates to a vacuum cleaning system and more particularly pertains to a direct port vacuum cleaning system for use in a motor vehicle anytime or anywhere. The system comprises a vacuum generating unit and a vacuum cleaner hose. The v... | 12/10/2002 |
| 6299111 | Computer mouse cable holder A computer mouse cable holder including a body which may be straight or curved or angled or adjustably jointed with at least one aperture for releasably retaining a folded portion of a computer mouse cable, fastening devices for affixing the holder to a s... | 10/09/2001 |
| 6190279 | Power transmission system with a stall prevention feature A model train locomotive has a set of drive wheels and a power system for rotating the drive wheels. The power system comprises an electric motor mounted for rotating a power input shaft, a control mechanism for regulating the amount of electric current s... | 02/20/2001 |
| 6068009 | Free-standing, portable tent assembly with flexible, electronic signal shielded enclosure This technical disclosure is for a structurally self-contained, RF-shielded enclosure which is rapidly deployable due to it's ultra light weight and ease of assembly. Assembled by one person in one half hour, the enclosure becomes an RF-shielded, free sta... | 05/30/2000 |
| 6065557 | Power assist assembly for wheeled vehicles The assembly of the invention provides a direct frictional drive system for a wheeled vehicle having a vehicle frame whereby at least one drive roller is in frictional contact with a vehicle wheel, which includes a hub portion having a wheel axle, a rim p... | 05/23/2000 |
| 6015471 | Inflatable cushions The inflatable lifting cushion comprises two segments (10) each comprising a ring chamber (11) around a central web (12). The two segments (10) are welded together at a junction (13) to define therebetween a central chamber (14). An air inlet fitting (30)... | 01/18/2000 |
| 6009625 | Hole forming assembly for irrigation tubing A hand tool combination is useful for punching various sized holes in the sidewall of irrigation tubing to discharge water onto crop-growing soil. The tool combination comprises an elongated handle member including a hand grasping section at one end there... | 01/04/2000 |
| 5996133 | Toilet aids for partially disabled and handicapped persons A toilet aid (10), for use on an ordinary water closet/toilet fitted with an ordinary lift up toilet seat, which aid comprises an overseat (20) supported on an annular or part annular pneumatically inflatable bag assembly (21), and is characterized in tha... | 12/07/1999 |
| 5993077 | Stand assembly for an optical device A stand assembly maintains an optical device at a location spaced from a stand assembly supporting surface wherein the optical device includes a lens system and a longitudinal image axis extending through an objective lens disposed at a distal end of the ... | 11/30/1999 |
| 5970545 | Support apparatus for use on beds Backrest support apparatus comprising an inflatable flexible bag structure which comprises two hollow limbs (11, 12) configured and connected at a junction or tethered to assume a stable configuration when fully inflated, and to collapse to a substantiall... | 10/26/1999 |
| 5958463 | Agricultural pesticide formulations The present invention relates generally to the method for the production of liposomal microencapsulated boron-containing products to be used for agricultural formulations. More specifically, a new method of production of liposomal microencapsulated is dis... | 09/28/1999 |
| 5927604 | Spraying apparatus nozzle A hollow body having a nozzle opening (19) to discharge fluid as a jet or spray; the body comprising a first part having an inlet (12a) to admit fluid under pressure into the first part, and a second part (16) movable relative to the first part and said f... | 07/27/1999 |
| 5922364 | Stereolithography layering control system An apparatus and method for depositing a layer of liquid medium along an upper surface of a liquid medium bath. A first reserve supply volume projecting upwardly from said surface and a continuous sheet of discharged liquid medium are provided above a wor... | 07/13/1999 |
| 5908043 | Portable tent assembly for use with a radio frequency shielded enclosure This technical disclosure is for a structurally self-contained, RF-shielded enclosure which is rapidly deployable due to it's ultra light weight and ease of assembly. Assembled by one person in one half hour, the enclosure becomes an RF-shielded, free sta... | 06/01/1999 |
| 5895595 | Apparatus for making beverages The apparatus for making beverages comprises a kettle 15, a stand 10 and separable electrical connector means 16a,b to automatically connect the kettle with an electrical power supply connector in the stand when the kettle is placed on the stand; the stan... | 04/20/1999 |
| 5870851 | Flea removal assembly and conversion kit The assembly of the invention comprises a comb externally disposed at one end of a housing member adjacent an air inlet opening for separating fleas from the outer skin of an animal. A specific embodiment comprises a retrofit kit combination for convertin... | 02/16/1999 |
| 5820691 | Backup assembly and method for chemical sanitizing in a sanitizing zone of a pot and pan sink The invention is directed to a method and assembly for sanitizing foodware in a sanitizing zone of a high temperature warewashing machine. The method comprises providing a source of fluid sanitizing material that is effective to sanitize foodware and sens... | 10/13/1998 |
| 5758558 | Precision measuring apparatus for locating workpieces for work operations A precision measuring mechanism includes a precision threaded rod member and an indicating element mounted to move along a linear graduated scale upon rotation of the precision threaded rod member. A circumferential scale has a plurality of marks spaced f... | 06/02/1998 |
| 5743468 | Spraying apparatus and nozzle devices A hollow body having a nozzle opening to discharge fluid as a jet or spray; the body comprising a first part having an inlet to admit fluid under pressure into the first part, and a second part movable relative to the first part and said first and second ... | 04/28/1998 |
| 5735630 | Striking tool head system and common elongated handle for multiple tool head assemblies A striking tool assembly comprises a tool head including a tool eye having disposed therein a sleeve member for receiving an elongated tool handle to perform a manual tool work operation. A flexing structure enables the annular wall structure of the sleev... | 04/07/1998 |
| 5679173 | Backup assembly and method for chemical sanitizing in a final rinse of a high temperature warewashing machine The invention is directed to a method and assembly for sanitizing foodware in a sanitizing zone of a high temperature warewashing machine. The method comprises providing a source of fluid sanitizing material that is effective to sanitize foodware and sens... | 10/21/1997 |
| 5669086 | Inflatable medical lifting devices Mobile medical lifting apparatus comprising a mobile support means having wheels, castors or rollers, which mobile support means supports or provides a mounting for a lifting device comprising a stack of inflatable bags for raising a seat or platform supp... | 09/23/1997 |
| 5651149 | Apparatus for moving disabled persons Apparatus and method for transferring disabled persons horizontally on a slider (11) from a first supporting surface to an adjacent supporting surface by using a cable winch (10) to apply tension to a cable (15) to drag the slider (11) (and the person the... | 07/29/1997 |
| 5634387 | Precision cutting assembly A precision cutting assembly comprises a frame, a material support table mounted to the frame and a cutting blade for cutting sheet stock material. A cutting blade carrier is mounted to the frame for movement along a linear path. Pressure producing elemen... | 06/03/1997 |
| 5605001 | Ornamental scroll device An ornamental scroll device comprises a flexible sheet including two opposed outer end portions two opposed outer edges, and an indicia bearing section having a message located on an obverse side of the flexible sheet and between the end portions and oute... | 02/25/1997 |
| 5511467 | Steam table pan handling apparatus Applicants' invention comprises an apparatus for safely yet effectively handling steam table pans. The apparatus is a frame formed from cylindrical steel of a shape and size for surrounding a steam table pan under its lateral flange. The frame includes tw... | 04/30/1996 |