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| Number | Title | Issue Date |
| 4865109 | Apparatus for opening and closing a window shade or the like A positive drive for window shades and the like is characterized, first of all, by an opposed pair of channel-shaped tracks confining the right and left side margins of the shade and each also housing one run of an endless chain reaved under a pulley at t... | 09/12/1989 |
| 4827480 | Method and apparatus for generating ultra-short pulses with a frequency shifter in a cavity This invention relates to an improved method for producing pulsed trains of light within a cavity which comprises repeatedly incrementally increasing the frequency of a constant wave of light circulating within the cavity and combining the frequency-shift... | 05/02/1989 |
| 4819680 | Spring-biased tent frame foot The invention relates to a spring-biased foot subassembly for use in the lower corners of a wall panel of a ground tent to yieldably resist the tension placed upon such panels when the diagonally-extending portions of the subframes supporting same in free... | 04/11/1989 |
| 4817861 | File storage carton This invention relates to a stackable file storage carton characterized by an open-front box fitted with an integrally formed access opening cover hingedly attached to the bottom of the box along the front edge of the latter for movement from a closed pos... | 04/04/1989 |
| 4813181 | Double-hung closure for access openings An improved double hung access opening cover is disclosed wherein a fixed frame borders the opening, a movable frame is hingedly attached to the fixed frame on one side of the opening and to the cover therefor on the other side, and wherein a crossframe e... | 03/21/1989 |
| 4791274 | Electric finned-tube baseboard space heater employing a vaporized working fluid An electrically-powered space heater has a boiler connected to supply a vaporized working fluid consisting of a 2 to 1 mixture of ethylene glycol and water to a slightly upwardly inclined, closed-end, finned-tube heater exchanger at a pressure of between ... | 12/13/1988 |
| 4787361 | Archery bow with self-aligning combination handgrip and forearm protector This invention relates to an archery bow characterized by a combination handgrip and forearm protector hingedly attached in closely-spaced parallel relation to the longitudinal axis of the bow defined by the limbs of the latter and the bowstring, the hand... | 11/29/1988 |
| 4776122 | Magazine for automatic weapons and the like This invention relates to a curved or angled multiple-round rifle cartridge magazine of the type designed for use with ammunition having tapered shell casings necked-down at their small end to accommodate a relatively smaller bullet characterized by a pai... | 10/11/1988 |
| 4776629 | Pickup bed cover This invention relates to an improved telescopable cover for truck beds and the like characterized by a transversely-spaced pair of generally channel-shaped tracks opening toward one another and shaped to define a gutter in the bottom thereof alongside a ... | 10/11/1988 |
| 4765081 | Firearm magazine and method for preventing the shells from jamming The invention relates to an improvement in a multiple-shell weapon magazine or clip of the type employing either one or a pair of transversely-curved negator springs fastened to a particular sidewall of the cartridge chamber alongside the stack to lift th... | 08/23/1988 |
| 4757854 | Apparatus for detachably fastening a stretchable fabric panel to a rigid frame This invention relates to an improved tongue and groove connector for detachably fastening a stretchable fabric panel to a rigid frame which is characterized by a tongue-forming element attached along a line intermediate the side edges thereof to the pane... | 07/19/1988 |
| 4757831 | Golf club cleaning machine This invention relates to a golf club cleaning machine characterized by a compartmented carousel having an annular tray-forming basket suspended therebeneath which holds several clubs in side-by-side upstanding circular relation for rotation therewith one... | 07/19/1988 |
| 4757823 | Method and apparatus for measuring uterine blood flow This invention relates to a method for measuring uterine artery blood flow characterized by non-invasively positioning a transducer crystal capable of generating an ultrasonic signal within the vagina of a human female at the lateral aspect of the cervix ... | 07/19/1988 |
| 4757591 | Snap ring removal tool and method of using same This invention relates to an internal snap ring removal tool which is characterized by a first cylindrically-surfaced clamp-forming element clampable onto a surface of the snap ring exposed outside its groove while the cylindrical surface of the aforesaid... | 07/19/1988 |
| 4757590 | Method and apparatus for removing snap rings This invention relates to a set of tools for removing lugless snap rings from the internal annular grooves provided therefor in parts containing internal bores, these tools consisting of a pointed tool for making an indentation in the base of the groove b... | 07/19/1988 |
| 4747455 | High impact device and method A high impact device, as for producing an impact of 1,000 foot pounds or more, includes a ram which is engageable by a pair of rotating flywheels. The ram may impact a tool, as of a chisel type adapted for demolition purposes, or having a enlarged head fo... | 05/31/1988 |
| 4739913 | Backpack type carrier for portable oxygen dispensers This invention relates to a backpack type carrier for portable oxygen dispensers characterized by a padded frame, shoulder straps and a hip-encircling belt for supporting the frame on the back of the wearer, a flap formed of breathable material having a l... | 04/26/1988 |
| 4723580 | Cable sheath assembly A wall-mounted cable sheath asembly defining a raceway for housing and protecting insulated electric cables and the like is disclosed, one part of which comprises a springable channel-shaped housing having an open base produced by a pair of opposed inturn... | 02/09/1988 |
| 4717159 | Method and apparatus for seating and sealing a pitot tube type flow meter in a pipe This invention relates to a method for seating a pitot tube type flow meter against the remote wall of the pipe in which it is being installed and subsequently sealing same within the tubular fitting through which it enters the pipe, such method comprisin... | 01/05/1988 |
| 4703576 | Scope mount for Ruger rifles This invention relates to an improved laterally-adjustable ring-type riflescope mount for attachment to rifle barrel receivers of the type having a one part of a dovetail connection atop thereof defined by a planar top surface alongside of which lie a spa... | 11/03/1987 |
| 4700919 | Connector assembly for windscreen accessories This invention relates to a novel mounting assembly for adjustably connecting various accessories to the marginal edge of a windscreen of the type found on motorcycles, snowmobiles and the like, such assembly being characterized by a foldable clamshell-ty... | 10/20/1987 |
| 4700908 | Storage reel with self-adjusting hub for precoiled goods This invention relates to a lightweight reel for the storage and transportation of precoiled lengths of tubing and the like characterized by two large diameter hoops together with three or more spokes for each hoop, the spokes having their adjacent ends c... | 10/20/1987 |
| 4694609 | Double-hung closure for access openings This invention relates to an improved auxiliary frame assembly for use between the fixed frame bordering an access opening and the cover therefor which hinges the latter to be opened from either side, such assembly being characterized by an inner movable ... | 09/22/1987 |
| 4689319 | Oral energy rich therapy for diarrhea in mammals A hyperosmotic oral veterinary composition in liquid form that provides easily absorbed and metabolized energy substrates comprising 70 to 90 percent of an actively absorbed monosaccharide, 1 to 7.5 percent of an actively absorbed naturally occurring amin... | 08/25/1987 |
| 4680269 | Method and apparatus for preventing cross-contamination of biochemical test wells in a microtiter test plate This invention relates to a porous barrier impregnated with an acidic compound positioned in overlying relation atop the biochemical test wells portion of an antibiotic microtiter test plate effective to intercept and neutralize volatile alkaline products... | 07/14/1987 |
| 4671470 | Method for fastening aircraft frame elements to sandwich skin panels covering same using woven fiber connectors This invention relates to improvements in the method by which elongate frame elements such as the spars in aircraft wings are fastened to the skin panels covering same where these skin panels are of the sandwich type having inner and outer facesheets with... | 06/09/1987 |
| 4662268 | Combination purging and ventilating blower A blower which is specifically designed not only to purge a workplace of foul air preparatory to it being entered by personnel but also to provide these people with adequate ventilation once they are inside, such a blower being characterized by a hollow g... | 05/05/1987 |
| 4654746 | Static dissipator for electronic devices This invention relates to a protective device for dissipating static electrical charges in the order of magnitude of 30,000 volts which if transferred by a person to a computer terminal or other piece of electronic equipment requiring such protection woul... | 03/31/1987 |
| 4645242 | High pressure mounting with positive lock This invention relates to an improved high pressure mounting for removably positioning pitot tube type flow measurement devices in a pipeline where the mounting includes a hollow tubular collar welded to the pipe in alignment with a probe-receiving openin... | 02/24/1987 |
| 4641800 | Tandem or multi-winged high performance aircraft This invention relates to a tandem or multi-winged aircraft wherein a primary wing system is so designed and equipped that it is capable of being actuated in a manner to bring about a shift in the neutral point of the craft relative to its center of gravi... | 02/10/1987 |
| 4637748 | Hub and strut-endcap assembly for tent frame struts This invention relates to an improved self-adjusting hub and strut-endcap assembly for tent frame roof and wall struts characterized by a two-part hub section sandwiched together in stacked relation to define a set of four sockets, each of which has a cha... | 01/20/1987 |
| 4633713 | Insert/retract mechanism for flow measurement probes This invention relates to a manually-operated mechanism for inserting and removing flow measurement probes and the like from a pipeline carrying a flowing fluid, such mechanism being characterized by a hanger subassembly including a yoke mounted atop the ... | 01/06/1987 |
| 4625930 | Film winding and rewinding apparatus This invention relates to a film winding and rewinding machine characterized by a single unidirectional motor being used in cooperation with a pair of electrically-actuated clutch/brake units and a suitable power train to actuate the take-up reel in eithe... | 12/02/1986 |
| 4624481 | Combination multiple ply manifold business form and airline ticket jacket This invention relates to a multiple ply assembly form that is especially adapted for use with a computer printer and which enables the user to simultaneously generate an original and at least two copies of an invoice and the customer's itinerary with the... | 11/25/1986 |
| 4611446 | Cable anchoring device This invention relates to a cable anchoring device in the form of a stamped metal blade-like part having a generally straight lower section and a slightly curved upper section terminating at its upper end in a point. The curved section of the blade contai... | 09/16/1986 |
| 4607804 | Film winding and rewinding apparatus This invention relates to an improvement upon the film winding and rewinding apparatus forming the subject matter of my copending application Ser. No. 666,187 filed Oct. 29, 1984, by a replacement of its former manually-shifted electrochemical reversing s... | 08/26/1986 |
| 4580364 | Rifle cartridge magazine This invention relates to a rifle cartridge magazine for carrying and automatically feeding a plurality of rifle cartridges one at a time sequentially into the breech of a rifle characterized by a housing open at the top containing an arcuately-curved car... | 04/08/1986 |
| 4577640 | Method and apparatus for direct in vivo monitoring of uterine electrical activity This invention relates to an improved apparatus for directly detecting and monitoring uterine bio-electrical activity "in vivo" characterized by an electrode carrier in the form of a cup shaped to conform to the patient's cervix and hold the electrodes co... | 03/25/1986 |
| 4570609 | Water-cooled hub for flush-cut concrete saws This invention relates to an improved hub for diamond-edged concrete saws and, more particularly, to a hub or mandrel of the so-called "flush" type which mounts the saw blade such that the latter can make a cut while lying flush against a planar surface l... | 02/18/1986 |
| 4559836 | Pitot type flow measuring device and method of mounting This invention relates to an improved pitot tube type flow measuring instrument for use in pipes and other conduits characterized by a generally diamond-shaped sensor portion constituting a bluff body for splitting the flow that includes at least a large-... | 12/24/1985 |
