Did You Know...
...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 |
| 6220606 | Metallic gasket A laminate-type metallic gasket comprising adjacent combustion chamber holes (A, A), a pair of bead substrates (3, 4) made of an elastic metallic plate with a bead (1) formed along each of the combustion chamber holes (A, A) and first and second intermedi... | 04/24/2001 |
| 6182551 | Wood cutting apparatus An apparatus for cutting strips or wafers of wood into contoured pieces for forming an inlay of a desired pattern in a groove of a decorative wooden article, the apparatus comprising a base plate having a work surface with a trough extending thereon; a cu... | 02/06/2001 |
| 5492042 | Adjustable workpiece holder for shaft cutting A device is disclosed for use in cutting specific lengths from the end of a shaft, specifically the shaft of a golf club. It includes a base that allows the user to affix the device to a table or support surface and a support block that can be rotated in ... | 02/20/1996 |
| 5413260 | Cargo carrier for a van A utility cargo carrier attachment fits to the rear of an existing vehicle such as a van. The carrier extends across the entire vehicle width from the rear bumper up to the vehicle roof line. A unique mounting arrangement uses existing rear access doors a... | 05/09/1995 |
| 5368405 | Non-mingling multicolor marker and its process A non-mingling multicoloring pen comprising a barrel, ink reserooirs, a combined tip comprising a nib guard tube, two or more elastic nibs with ink tight surfaces fixed separatedly from each other in the nib guard tube by means of a nib position fixing me... | 11/29/1994 |
| 5276567 | Tape player A tape player includes a changeover mechanism for shifting the position of a tape travel direction changeover member in response to the reciprocating movement of a rewind pushbutton actuator, a head channel selector switch connected to the changeover mech... | 01/04/1994 |
| 5263257 | Pruning saw Herein disclosed is a pruning saw which comprises: a saw blade (1); a grip sheath (3) having a blade guide hole (2) extending therethrough in the longitudinal direction thereof for guiding the saw blade (1) slidably; and a handle (4) positioned at the bac... | 11/23/1993 |
| 5251334 | Anti-dazzling device An anti-dazzling device relating to eye protection for drivers driving at night comprises a fixing means, a shield, and an adapter means, in which the fixing means can be fixed adjustably in tightness to the head of a user, the adapter means extends forwa... | 10/12/1993 |
| 5199807 | Knocking type solid cosmetic container A knocking type solid cosmetics container which comprises a container main body 1 comprising; a cylindrical pushrod housing pipe 6 inserted in the container main body 1; a delivery chuck 9 fixedly provided on a front end of the pushrod housing pipe 6, a p... | 04/06/1993 |
| 5195187 | Pocketed garment A pocket garb composed of front and back pieces is provided with pockets of large capacity on the front and back pieces, wherein the back piece pocket has two upper and lower openings, available to be separated with a partition in the middle, the said lar... | 03/23/1993 |
| 5160622 | Method for filtering aquarium water The present invention is directed to a filtering system and method of filtering an aqueous medium, such as water in an aquarium tank. The aquarium water is brought into contact with a filtering medium, preferably a biological filtering medium. The filteri... | 11/03/1992 |
| 5152938 | Process for preparation of a wholly carbonaceous diaphragm for acoustic equipment use A process for preparing a wholly carbonaceous diaphragm includes blending a powder of graphite with a chlorine-containing resin and a monomer or a primary condensate of a thermosetting resin containing a triazine ring; adding thereto a solvent or a plasti... | 10/06/1992 |
| 5125422 | Power driven fingernail polishing apparatus A motor driven fingernail polishing apparatus comprises a transmission including a drive gear, first and second power transfer gears, battery for driving the motor, combined switch and shift mechanism being selectively shiftable between a central disengag... | 06/30/1992 |
| 5109472 | Water heater with removable impurities collector and backflow preventing inlet pipe A water heater (10) overcomes the disadvantage of complicated structure in the prior art and can effectively prevent water in the tank from flowing back into main supply outside the tank, remove impurities in hot water to improve water quality, assure eff... | 04/28/1992 |
| 5096519 | Process for preparation of carbon fiber composite reinforced carbonaceous material A process for preparation of a carbon fiber composite reinforced carbonaceous material characterized in that using carbon fibers or the raw material fibers of the carbon fibers as the base material, the surfaces of said base material fibers even to the su... | 03/17/1992 |
| 5080743 | Process for preparation of a wholly carbonaceous diaphragm for acoustic equipment use A process for preparing a wholly carbonaceous integrated diaphragm for acoustic equipment use comprises blending under application of high shearing force a mixture of one or more kinds of organic high polymeric substances carbonizable on baking and powder... | 01/14/1992 |
| 5061241 | Rapid infusion device The Rapid Infusion Device is a mechanical pumping system for the rapid delivery of filtered, bubble free, warmed volume to a patient suffering from acute hypovolemia. The principle of operation is one of overcoming resistance mechanically, The flow of flu... | 10/29/1991 |
| 5000604 | Removable cap attached to a writing instrument A removable cap attached to a writing instrument in an insertion manner for preventing ink from evaporating from the writing instrument, comprises: a partially double-walled cylindrical cap main body having its opposite axial ends opened and its rear port... | 03/19/1991 |
| 4928849 | Shoe cover package A package of disposable shoe covers comprising in combination a dispensing container with a hanger extending therefrom and a series of shoe covers enclosed within the container with the container being made of plastic, cardboard or the like and including ... | 05/29/1990 |
| 4852783 | Multi-compartment receptacle for individually packaging and dispensing pairs of gloves for use by health care or emergency rescue personnel A multi-compartment receptacle for packaging and storing a plurality of pairs of protective gloves to be carried by a single person whereby each pair of gloves may be distributed to one of several persons on a rescue team, hospital crew, or like persons, ... | 08/01/1989 |
| 4693476 | Ball-and-target game with tiltable playing surface therefor An apparatus of the kind for playing programmable electronic data games, comprising structure for interchanging programmable data and, recording the same on visual displays, a device for printing out data information, and mechanism for a skillful operator... | 09/15/1987 |
| 4646378 | Tool for fireman A neat and simple combination tool comprising first and second tool members with hinge structure pivotally securing the first and second members together so that they may be selectively pivoted between opened and closed positions of use wherein the first ... | 03/03/1987 |
| 4628439 | Supervised start system for microprocessor based appliance controls A supervised start system for microprocessor based appliance controls and effective to prevent unwanted start operation of the associated appliance due to failure of a critical component of the starting system. The starting system requires a mechanical op... | 12/09/1986 |
| 4611295 | Supervisory control system for microprocessor based appliance controls A supervisory control system for microprocessor based appliance controls, the supervisory control system incorporating means for detecting dynamic failure of a microprocessor incorporated in the appliance control, means for disabling the high energy circu... | 09/09/1986 |
| 4434026 | Acid concentrating and recovery system System for concentrating and recovering acid comprising in combination a receptacle or storage tank for receiving and containing weak or dilute acid; an evaporating pan including a pipe connected to the receptacle or storage tank and a pump whereby acid m... | 02/28/1984 |
| 4429872 | Foul or base lines for athletic activities A foul or base line segment of plastic or rubberized material suitable for installation in various fields of athletic activities comprising: a generally horizontally extending lower flange for installation in a field beneath ground or playing level; a gen... | 02/07/1984 |
| 4408573 | System and method for superheated-water injection system (SWIS) System and method for a superheated-water injection system (SWIS). The system is designed to superheat water to temperatures exceeding 212° F. (100° C.) under conditions of pressure to prevent it from boiling for the purpose of injecting a timed and met... | 10/11/1983 |
| 4404959 | Solar heating system A solar heating system comprising a heat collecting-storage chamber at the upper level of a building; a solar heat collecting apparatus disposed and extending laterally within the chamber; a hot air supply and return plenum including a generally verticall... | 09/20/1983 |
| 4382330 | Coin wrapper cutting tool A coin wrapper cutting tool comprising a principal body portion on which a cutting blade for cutting crimped end portions of wrappers of packaged rolls of coins and an element for shielding the blade when cutting is not required are assembled; the princip... | 05/10/1983 |
| 4367378 | Telephone and holding band therefor A telephone handset in combination with an elastic band attached thereto and forming an endless assembly which may be placed around a person's head so that the telephone handset need not be held by hand wherein the telephone unit comprises a transmitter, ... | 01/04/1983 |
| 4345382 | Contractor's grade rod apparatus and procedure for setting and checking grades Apparatus for use in setting and checking grades in construction of roads, parking lots, building, or the like comprising a level support in combination with a level rod wherein the level support has a nominal length of X plus Y, for example, the level ro... | 08/24/1982 |
| 4340989 | Cleaning system for chimneys A readily removable cleaning system for a chimney comprising in combination adjacent the top of a chimney a pair of bracket members each having a generally horizontally extending center portion disposed on an upper edge surface of the chimney oppositely f... | 07/27/1982 |
| 4332408 | Device for removing and replacing soft contact lenses worn on the human eye Squeezed, the flexible cup of the device forms two convex lips which grip a soft contact lens in place on a human eye, deforms the lens, breaking its fluid suction-bond to the eye, allowing easy and gentle removal of the lens from the eye, without fingers... | 06/01/1982 |
| 4329798 | Tooth construction for digging buckets A digger tooth for a power digging bucket or the like including an operating portion and an attachment portion, the operating portion comprising in combination: a back wall having an upper end, a lower end, and an upper surface extending forwardly and dow... | 05/18/1982 |
| 4279241 | Solar heat absorbing and radiating wall Building construction having at least one wall with an inner surface and an outer surface comprising in combination therewith a heat energy absorbing member disposed outwardly of the outer surface for absorbing solar heat energy, heat radiating members di... | 07/21/1981 |
| 4269444 | Apparatus for reducing aerodynamic drag A trailer body for a tractor trailer rig having a configuration that provides a degree of lift due to the passage of air over the trailer, and also minimizes the air drag at highway speeds.... | 05/26/1981 |
| 4266379 | Aseismic system for structure foundation An aseismic system for structure foundations providing fluid between a structure foundation and the ground to eliminate any friction between the two, characterized by lateral chambers limited by flexible membranes positioned between a lower slab and retai... | 05/12/1981 |
| 4261157 | Coin wrapping device A self-limiting crimping hook device for coin wrapping machines which as an integral part of the crimping hook assembly, provides a fixed and minimal clearance between the foot of the crimping hook and the end coin of the coin stack, through which the tab... | 04/14/1981 |
| 4238134 | Device for removing and replacing soft contact lenses worn on the human eye Squeezed, the flexible cup of the device forms two convex lips which grip a soft contact lens in place on a human eye, deforms the lens, breaking its fluid suction-bond to the eye, allowing easy and gentle removal of the lens from the eye, without fingers... | 12/09/1980 |
| 4235348 | Drinking vessels for reclining position usage Novelly improved drinking vessels of the type adapted for selective preferential or essentially mandatory usage by and while a user is in either a partially or fully reclined position. The vessels may be either of the handled cup-like type, or of the non-... | 11/25/1980 |
