Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 4461365 | Bicycle power pack A device for propelling a bicycle or the like comprising in combination, a frame having wheels and an overlying cargo carrier instrumentality, a power pack disposed thereon adapted to drive said wheels, hitching instrumentalities connecting said frame to ... | 07/24/1984 |
| 4453685 | Mail box brace Disclosed herein is a mailbox brace which includes a horizontal planar shelf upon which an end portion of the mail box rests, an inverted U-shaped strap overlying the mail box above the shelf portion and fastened to the shelf by means of outwardly turned ... | 06/12/1984 |
| 4444375 | Hunter's towing machine An adapter that converts any normal chainsaw into a winching type towing machine for use by hunters who fell large game such as elk or deer, and must haul their fallen prey over rugged and remote terrain. The adapter replaces a chainsaw chain and guide ba... | 04/24/1984 |
| 4439934 | Orthotic insert An orthotic insert for use in various types of foot gear consisting of a first blank and a second blank fused together. The first blank is a flexible pad generally contoured to the bottom of a person's foot and the second blank is more rigid and contoured... | 04/03/1984 |
| 4432911 | Variable venturi carburetor A variable venturi carburetor including a fuel bypass duct bypassing the fuel metering portion of the fuel jet, the fuel jet being provided with an opening at its upper portion which opening is in opposed relation with the inlet of the fuel bypass duct fo... | 02/21/1984 |
| 4422468 | Canopy for use with an umbrella A lawn umbrella expansion device in which an enlarged canopy is provided with a centrally disposed pole cap to engage the tip of an umbrella pole and thereafter be unfurled and stabilized with canopy poles to provide a greatly increased containment area.... | 12/27/1983 |
| 4422432 | Variation of fuel vaporizer for internal combustion engine A variation of fuel vaporizer for internal combustion engine is provided that includes an inlet guide vane assembly, and a turbine assembly, the turbine assembly being mounted between the carburetor and intake manifold of the internal combustion engine.... | 12/27/1983 |
| 4422192 | Spa or hot tub cover An insulative hot tub or spa cover appearing in two symmetrical halves biased toward each other on a medial edge each half comprising an inner foam core capped on a peripheral edge by a C-shaped channel and covered on an upper and lower surface by a softe... | 12/27/1983 |
| 4420143 | Line string block attachment An attachment for single strand and multi-strand stringing blocks used during the stringing of high tension electrical wires between electrical suspension towers. Since electrical towers are not all disposed in a linear array an angled pull has a tendency... | 12/13/1983 |
| 4419802 | Method of forming a heat exchanger tube Disclosed herein is a method for forming a heat exchanger tube comprising the steps of inserting an inner tube within an outer tube, interposing therebetween a heat conductive fin element and expanding the inner tube thereby causing frictional engagement ... | 12/13/1983 |
| 4419772 | Water saver A water saver for the water closet of a flush toilet, which allows the operator to vary the amount of water being used according to the requirements of the situation. A lever on the exterior of the water closet controls the egress of water from a separate... | 12/13/1983 |
| 4417560 | Intake air booster for an internal combustion engine An intake air booster for boosting air flow in an internal combustion engine or the like which includes a first air passageway communicating directly with an engine intake manifold having a plurality of interleaved rotating and stationary blades, the rota... | 11/29/1983 |
| 4416559 | Apparatus, mountable on an office machine, for feeding single sheets from a paper stack stored in a magazine The invention relates to an apparatus for feeding single sheets from a stack of paper stored in a magazine to the platen of an office machine. The apparatus is capable of being mounted on the office machine, the drive of a separate-feed roller frictionall... | 11/22/1983 |
| 4416292 | Method and apparatus for determining the neutral axis of a foot or the like A method for determining the neutral axis of a foot or the like, as well as an apparatus therefore. The neutral axis can be conveniently defined as the orientation of the subtalar joint wherein its relationship to adjacent bones is such that there is no m... | 11/22/1983 |
| 4414006 | Air separation for an oil pump An air separator for removing air from aerated oil with an impeller on a disc mounted on a hollow drive shaft within an impeller chamber, so that oil which enters the impeller chamber is impacted by the impeller disc, causing cavitation so that deaerated ... | 11/08/1983 |
| 4413430 | Skate boot insert An insert for use in ice skates and the like which includes a blank having a top layer with an upper surface provided with a contour substantially complemental to the plantar surface of a person's foot, the top layer formed from a suitable material to res... | 11/08/1983 |
| 4411087 | Trigger mechanism for firearms A trigger mechanism for a firearm such as a pistol having a firing pin spring loaded into a firing position and held in a retracted position by a spring loaded sear together with a sear trip bar pivotally movable by a manually operated lever pivotally mou... | 10/25/1983 |
| 4407472 | Hose handler-keeper Disclosed herein is a device to facilitate the coiling, storage and handling of non-collapsable yet flexible types of hoses, such as those used in conjunction with firefighting equipment. The invention comprises two, flexible, U-shaped clamps molded back ... | 10/04/1983 |
| 4403802 | Trailer unit A trailer unit arranged to be coupled to a vehicle including a frame supported on a single wheel with an enclosure on the frame having a floor provided with an opening in which is disposed a pan which may be vertically moved manually between an elevated t... | 09/13/1983 |
| 4402605 | Firearms sighting instrument The present invention relates to a sight with an optical sighting instrument which includes a lens device with a concave, semi-transparent mirror which is disposed to reflect the image of a light source into the field of view of an eye which is directed t... | 09/06/1983 |
| 4399438 | Coded signal radio transmitter for remote control mechanisms A radio transmitter is operatively arranged to develop and broadcast a coded signal which may be used to effect remote control functions, for example, to control door opening mechanism. The transmitter includes a radio frequency oscillator having a coil w... | 08/16/1983 |
| 4398771 | Braking system for towed vehicles A braking system for automatically braking a towed vehicle coupled to a towing vehicle having an electrical brake control circuit and a vacuum line wherein the towed vehicle is provided with a normally closed solenoid valve for connecting both a vacuum re... | 08/16/1983 |
| 4397202 | Universal pipe lathe Disclosed herein is a universal pipe lathe for performing plural cutting operations on pipe and the like including a lathe structure having a clamp for affixing the pipe to the lathe, a drive motor supported on a stationary ring member, and a rotatable se... | 08/09/1983 |
| 4395885 | Unitary steam engine Disclosed herein is a steam engine suitably constructed to serve as a prime mover. The device includes a furnace in which a liquid can be heated so as to change its phase, the thus formed gas directed to an engine whereupon its expansion within piston/cyl... | 08/02/1983 |
| 4393988 | Spoon lid A combination utensil-lid together providing an integral spoon therewith which includes a lid having substantially planar top and bottom surfaces and a depending perimeter lip adapted to sealingly engage a container, a tab member formed to serve as an eat... | 07/19/1983 |
| 4392484 | Built-in solar panel Disclosed herein is a solar panel assembly and method for fabrication of same including cutting away a portion of the rafters and roof sheeting to provide an orifice of suitable dimension within which a solar panel frame is to be disposed, providing a ste... | 07/12/1983 |
| 4389790 | Drill guide A drill guide for accurate placement of bolt holes on a mud sill or the like which includes a guide block having plural bores extending therethrough from a top face and through a bottom face thereof which are suitably dimensioned and adapted to receive a ... | 06/28/1983 |
| 4385340 | Method and apparatus for generating static electricity A method and apparatus for creating electrostatic field by forming a high resistive anodic-oxidized film on an electrostatic electrode and applying thereto a high voltage direct current including high frequency component resonatable with inherent resistan... | 05/24/1983 |
| 4385339 | Fuel injector for an internal combustion engine A method of driving a valve in an injector for an internal combustion engine which intermittently injects liquid fuel by the valve reciprocally moving by attraction force of a solenoid coil and repulsive force of a spring and an apparatus for carrying out... | 05/24/1983 |
| 4372993 | Method for making enamel beads and resulting product A method of making an enamel bead and resulting bead which includes the provision of a short length of copper tubing forming a bead core member wherein the copper tubing is heated to a red hot state and rolled in copper enamel flux one or more times to co... | 02/08/1983 |
| 4372722 | Hay bale trailer A trailer for hay bales which includes a wheeled body having a bottom provided with an opening beneath which an elongated platform is supported for vertical movement the forward end of the platform being adapted to successively pick up bales of hay from t... | 02/08/1983 |
| 4371478 | Variable venturi carburetor Disclosed herein is an improvement in a variable venturi carburetor for an internal combustion engine including a fuel discharging main nozzle arranged in a venturi portion and a suction piston arranged in an opposite side of the main nozzle for reciproca... | 02/01/1983 |
| 4369869 | Safety device for mechanical or hydraulic presses A cylindrical chamber full of oil, without any valves or inlet/exit ports for this oil. A piston travels in said sealed cylindrical chamber with a rod on either side, assembled with sealing rings and provided with a series of peripheral axial holes all of... | 01/25/1983 |
| 4369749 | Variable venturi carburetor Disclosed herein is an improvement in a variable venturi carburetor for an internal combustion engine which comprises a venturi portion, a float chamber, a main fuel passage communicating with the venturi portion and with the float chamber, a main fuel je... | 01/25/1983 |
| 4369644 | High speed two travels thread rolling machine Disclosed herein is a new mechanism for making screws. It consists of two stationary segmented dies and an intermediate rotary die and by means of rotation, the rotary die threads working pieces which become screws. It includes a pneumatic feeding holder ... | 01/25/1983 |
| 4369574 | Peel concentrating clearance box This invention relates to a kind of peel concentrating clearance box, in which a peeler is inset into the surface of a columnar box and upon paring, the peels will enter into the box along the slot of the peeler so as not to be thrown about. After the par... | 01/25/1983 |
| 4367989 | Portable gold collection apparatus A portable device for collecting particulate gold bearing material from rock crevices and the like which include a gas engine driven air blower having shoulder straps for mounting on the back of a user, the air blower being connected by a flexible duct to... | 01/11/1983 |
| 4366799 | Exhaust gas recirculator An exhaust gas recirculator for an internal combustion engine having an exhaust pipe, an intake manifold and a carburetor throttle valve. The exhaust gas recirculator comprises an EGR passage which makes the exhaust pipe communicate with the intake manifo... | 01/04/1983 |
| 4364829 | Oil filter with turn attachment An oil filter suitably formed to provide integrally therewith a turning attachment to facilitate the interchanging of oil filters on engines and the like which include an oil filter canister. In the preferred form the filter body has substantially cylindr... | 12/21/1982 |
| 4362003 | Cantle saddle Disclosed herein is a cantle saddle defined by a primary major saddle such as an English or Western saddle having a rear portion or cantle area which serves as a nesting site for the addition of a secondary saddle. The secondary saddle has a deformable fr... | 12/07/1982 |
