Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 4843114 | Rubber compound for tracked vehicle track pads A highly improved elastomeric composition, process, and articles made thef, wherein the novel composition is characterized by greatly increased wear longevity, thermomechanical stability, highly improved tear and tensile strength at high temperature usea... | 06/27/1989 |
| 4606848 | Radar attenuating paint A radar attenuating composition is described for which incident microwave diation is absorbed and/or scattered, causing a significant decrease in retroreflectance of the object to which the composition is applied, that is, a reduction in the radar cross-s... | 08/19/1986 |
| 4511896 | Remote sensor system with bi-directional monitoring and control of operation An improved electronics system for transmission of low level analog signals rom a remote sensor to a control terminal utilizing a single pair of unshielded wires. A bi-directional exchange occurs between the sensor and control terminal which results in pow... | 04/16/1985 |
| 4503101 | Foldable, pop-open corner reflector decoy target articles A novel foldable and essentially self-opening, light weight, multi-panel ice which preferably is primarily useful as a collapsible, expendable or retrievable and reusable reflector type military decoy target, capable of reflecting microwaves, millimeter ... | 03/05/1985 |
| 4479994 | Wide band energy absorbing camouflage blanket A generally flexible, quilt-like, broad band multispectral camouflage blat which embodies a matrix of commercially available laminated wide band, energy absorbing material which is precut into polygonal shaped panels to thereby effectively collectively a... | 10/30/1984 |
| 4478235 | Method for regenerating hydraulic systems A method of cleaning and replacing fluids of hydraulic brake systems is pided. The method may be implemented to either clean the system and resupply the same type of fluid or replace one type of brake fluid with a new and different type of brake fluid. T... | 10/23/1984 |
| 4460892 | Method and apparatus for detecting changes in lighting intensity utilizing a microprocessor Apparatus for measuring the ambient light intensity of a monitored area during consecutive time intervals whereby an indication is given whenever the difference in any one of these measurements and the immediately preceeding measurement exceeds a predeter... | 07/17/1984 |
| 4459992 | Arterial pulse rate monitor and stress warning device A rugged, relatively low cost, reliable warning device wearable on a person's body, preferably in the form of a bracelet or wristwatch. This device novelly utilizes the principal of natural sympathetic vibration or harmonic response of a fine metal reed, ... | 07/17/1984 |
| 4404889 | Composite floor armor for military tanks and the like A novel composite armor for armored vehicles which attenuates mine blast loading better than monolithic steel armor plate of equal areal density without structural fracture. The disclosed composite armor, particularly used as vehicle floor armor, is desig... | 09/20/1983 |
| 4379401 | System for measuring plate deformation produced by explosive shock waves, and motion-sensing accelerometer transducer used therein A novel testing system utilizing a novel subcombination multiple pin/probe ype, motion-sensing accelerometer transducer, capable of sensing exceptionally high levels of structural motion, in the domain of from about 1,000,000 to 10,000,000 Gs (force of gra... | 04/12/1983 |
| 4364300 | Composite cored combat vehicle armor A light weight armor for combat vehicles, having at least three laminations f which at least the two outermost have the same mass, but with all having significantly differing densities and thicknesses. This composite armor comprises an outer layer of relat... | 12/21/1982 |
| 4361071 | Fire control mechanism A TOW (Tube-launched, Optically tracked, Wire-guided) missile system is mted on a combat vehicle turret for greater combat effectiveness. Before the missile is launched, the gunner keeps the target in his sights in azimuth by powering the turret through ... | 11/30/1982 |
| 4358134 | Trailer frame beam An improved I beam construction for longitudinal I beams preferably as used n trailer frames. The I beam is comprised of a top flange, a bottom flange, a vertical web wall interconnecting the top and bottom flanges along their centerlines in a customary ma... | 11/09/1982 |
| 4338853 | Means to minimize the backlash of meshing gears A precision power gear train assembly particularly adaptable for use with vehicles having a 360° rotatable turret mounted thereon. The assembly embodies novel spring and stop means to minimize backlash and to limit gear tooth disengagement of the enmeshe... | 07/13/1982 |
| 4337803 | Method of recharging fire extinguisher bottles A method of recharging fire extinguisher bottles wherein special transfer linders are used to store and discharge predetermined quantities of liquid fire suppressant and pressurizing gas to the bottle; the process is carried out on a weight basis to minim... | 07/06/1982 |
| 4337849 | Energy management damper A conventional shock absorber is modified by adding a valve cage to the rod nd and providing an additional cylinder outside the shock absorber to form an annular reservoir outside the shock absorber. Temperature sensitive valves open when oil heats to a po... | 07/06/1982 |
| 4306630 | Radio controlled miniature target vehicle and radio control accessory for binoculars An extended vision control device or accessory for selective attachable-detachable use with visual aid instruments such as binoculars, or monocular optical telescopes and the like, to enhance both visual tracking and radio control movement of mobile vehic... | 12/22/1981 |
| 4295379 | Gage to measure track tension A pair of flanged telescoping covers houses a main spring comprising two osed Belleville discs, which provide the elastically deformable metal that is squeezed when the gage is placed between the track and an idler wheel. Cam mechanism occupies a central... | 10/20/1981 |
| 4289166 | Clog-proof check valve Drain/check valve of soft elastomer for floor of vehicle, resembles a musom. Top surface of mushroom head has radial grooves. Central passage through head terminates in a tapered flat edge of mushroom stem which is normally closed. Head is peripherally g... | 09/15/1981 |
| 4277819 | Blackout lighting for vehicles Four red light emitting diodes are embedded in a synthetic resin encapsul. Two diodes in each of two pairs are connected in parallel and the two pairs are connected in series with a resistance, a blocking diode, and an on-off switch. A fifth diode which ... | 07/07/1981 |
| 4272998 | Drive mechanism An elliptical wobble disk at its periphery engages a sine curve track, on a lide or on a drum, and slides the strip track or rotates the drum as a preferred alternative to a gear drive.... | 06/16/1981 |
| 3974833 | Disposable electrosurgical cautery having optional suction control feature A disposable electrosurgical cautery which functions in a dual capacity as a hollow sucker tube as well as a cauterizer, and is intended to be prepackaged in sterilized preferably envelope-type containers, to be used once and disposed of. The cautery cons... | 08/17/1976 |
| 3970313 | Ancestral educational game apparatus An educational and recreational game for teaching players the engaging and appealing hobby or vocation of genealogy with an object to inspire players subsequently to trace their own real-life ancestors and to preserve a record of their family lineage for ... | 07/20/1976 |
| 3955575 | Diaper A diaper of tubular knitted form having a pile surface on the outside of the tubular body and a smooth surface on its inside. The upper half portion of the tubular diaper has a larger width than its lower half portion. The diaper is less bulky, has higher... | 05/11/1976 |
