Did You Know...
...that the video game, Pong, was invented by a guy who graduated at the bottom of his engineering class? Nolan Bushnell spent more time running the games at a local amusement park than he did on his studies at the University of Utah. His dreams of working for Disney's amusement empire were dashed when the company wouldn't hire him. Taking a boring job, Nolan daydreamed about electronic versions of popular games. He invented Pong, the first video game, and went on to found Atari Co.
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| Number | Title | Issue Date |
| 4210972 | Detachable visor arrangement A detachable visor for a cap that is detachably mountable on the bill of the cap. The visor has a face shield pivotally interconnected by hinge means to a pair of spaced apart clip means. The clip means detachably mount on the bill of the cap. In the firs... | 07/08/1980 |
| 4210973 | Sanitary unit The sanitary unit comprises at least one vessel such as a bowl, basin or a lavatory pan and is intended to be installed in particular in cabins of public or private places such as sanitary installations located in towns or areas in the country such as tho... | 07/08/1980 |
| 4210974 | Portable golf ball washer A hand-held ball washer having an enclosed chamber for holding the cleaning fluid and an adjacent ball cleaning chamber having brush bristles for cleaning the golf ball with means for applying the cleaning fluid onto the golf ball in the cleaning chamber ... | 07/08/1980 |
| 4210975 | Fluid line and connection for fluid-driven appliance The disclosure is directed to a flexible fluid line arrangement suited for connecting a hand held fluid-driven appliance to a source of motive fluid in a manner providing reliable, effective fluid supply, while permitting easy and facile manual manipulati... | 07/08/1980 |
| 4210976 | Arrangement for removing the slag incrustations on melting and casting vessels The device for removing incrustations from the inner wall of a cylindrical vessel comprises a driven shaft supported for rotation in the vessel about its central axis and for a vertical movement along this axis. Impact tools, preferably in the form of pri... | 07/08/1980 |
| 4210977 | Air cleaning apparatus Apparatus for cleaning an adhesive applicator roll includes a plurality of air jets for directing an air stream against the roll to clean the same. A driven roller assembly rotates the roll as it is being cleaned by the jets.... | 07/08/1980 |
| 4210978 | Automatic carpet cleaning machine An improved self-propelled carpet cleaning machine comprises a body movably mounted by a drive wheel. The body is powered by a drive motor which may be selectively connectable either to an AC power source located separately from the body or to a DC power ... | 07/08/1980 |
| 4210979 | Hinge In a hinge latch mechanism for a cabinet door of the type including a strike and a keeper assembly mounted on a pair of door hinge parts and cooperating to releasably retain the door in closed position, the improvement featuring a novel keeper assembly an... | 07/08/1980 |
| 4210980 | Cabinet hinge, especially for period furniture A hinge for cabinet doors or lids, especially for period furniture, having two visible sleeve-like hinge parts which can be fastened to the supporting wall of the cabinet and to the cabinet door or lid, respectively, and which are swingable relative to on... | 07/08/1980 |
| 4210981 | Ectating ring shirring method and apparatus Sausage casing is shirred into pleated compressed sticks by an annular shirring ring-disc disposed with its axial centerline displaced from the casing axial centerline and also tilted with respect to the casing axial centerline so as to effect a continuou... | 07/08/1980 |
| 4210982 | Shrimp processing method Method and apparatus for processing shrimp and like arthropoda, comprising a housing, positively driven transport means disposed within the housing and containing a plurality of peripherally extending needles for engaging and impaling deheaded shrimp in a... | 07/08/1980 |
| 4210983 | Eyelet clamp for shoes A resilient securing, fastening or gripping means for eyelets of shoes for men, women and children replacing ordinary shoe laces.... | 07/08/1980 |
| 4210984 | Fishing apparatus A fishing apparatus for quickly and safely connecting and disconnecting the upper end of the leader to and from the fishing line, respectively, comprising a back plate to be attached to the fishing line, a semi-rigid front plate, means for releasably secu... | 07/08/1980 |
| 4210985 | Slide fastener stringer with folded and bonded continuous molded coupling element and method and apparatus for manufacturing The leg portions of a continuous molded coupling element are bonded together to reinforce the attachment of connecting threads embedded in the leg portions.... | 07/08/1980 |
| 4210986 | Tilt release catch A tilt release catch comprising a housing member having a dog supported in a housing and constantly pressing against an opposite wall, a male member adapted for insertion between the dog member and a wall, and having an aperture for receiving one end of t... | 07/08/1980 |
| 4210987 | Apparatus for feeding a moving web to a stenter apparatus A process and apparatus for introducing a moving web to a stenter apparatus at the commencement of the stenter apparatus operation comprises gripping and transporting the web between at least two belt conveyors which are driven at a linear speed substanti... | 07/08/1980 |
| 4210988 | Method for making an indirectly-heated cathode assembly In a method for making an indirectly-heated cathode assembly, the steps of spacing the heater from the cathode substrate with a temporary volatilizable spacer, fixing the positions of the heater and cathode with respect to one another with the spacer ther... | 07/08/1980 |
| 4210989 | Method of manufacturing a capacitor roll, and a capacitor comprising a roll thus manufactured For the manufacture of capacitor rolls for wound capacitors, the impregnation is performed by subjecting the dielectric foils on their stock rolls to an impregnating treatment in vacuum. The capacitors manufactured from the capacitor rolls thus obtained h... | 07/08/1980 |
| 4210990 | Gear puller The apparatus of the invention comprises a gear puller assembly with removable jaws adapted to be extended around the teeth of the gear to be pulled from a shaft, and screw means capable of exerting pressure required to pull the gear. The method of the in... | 07/08/1980 |
| 4210991 | Hydraulic expansion swaging of tubes in tubesheet The method of this invention involves abruptly applying a very high pressure pulse to the already pressurized annular space between a hydraulic expansion-swaging mandrel core and the tube being swaged to obtain a practically zero gap, after removal of the... | 07/08/1980 |
| 4210992 | Method of making a molded plastic bowling pin A molded plastic bowling pin incorporating a core extending the length of the pin substantially from its base to its head and constituted of a plurality of plastic core elements of varying sizes and shapes such that the composite pin incorporating the sam... | 07/08/1980 |
| 4210993 | Method for fabricating a field effect transistor A field effect transistor is fabricated by forming a silicon dioxide film having a region where said silicon dioxide film becomes thinner at that area on one surface of a silicon semiconductor substrate of a first conductivity type at which the field effe... | 07/08/1980 |
| 4210994 | Method of manufacturing a cooled lifting magnet with damped eddy currents A method of fabricating a lifting magnet includes welding dished shells in a nested relationship to form a dome-shaped case, cutting at least one radial slot in the case, welding a central core interiorly of the case, and placing a removable, internally c... | 07/08/1980 |
| 4210995 | Method of constructing a burner A method of constructing a burner for efficiently burning a wide variety of fuels without having to add auxiliary fuel to the system or provide special air handling equipment. In the main embodiment of the invention, two cylindrical burning sections are s... | 07/08/1980 |
| 4210996 | Trimming method for resistance value of polycrystalline silicon resistors especially used as semiconductor integrated circuit resistors Current having a density higher than a critical value is passed through a polycrystalline resistor doped with impurities at a concentration higher than a critical value to decreasingly correct the initial value of the resistance, thereby trimming the resi... | 07/08/1980 |
| 4210997 | Conductor terminating apparatus An apparatus for simultaneously terminating a plurality of insulated conductors in the insulation piercing contacts of a multiple contact electrical connector is disclosed. The apparatus includes means for mounting a connector in conductor receiving posit... | 07/08/1980 |
| 4210998 | Toughening of PVC-separator-enveloped battery plates A sheet of sintered PVC battery separator material is folded around a battery plate along the bottom edge thereof and heat sealed to itself along the lateral edges of the plate to form an envelope around the plate. The fold is then contacted with a plasti... | 07/08/1980 |
| 4210999 | Method for wiring electrical bays A method and apparatus for semiautomatic wiring of telephone cabinets is disclosed which is suitable for twisted pairs of telephone wires. A pair-indexing head having a plurality of dual threaded spinning index rotors is used to permit automatic mass-term... | 07/08/1980 |
| 4211000 | Device for producing a spring manometer measuring system A spring manometer measuring system that includes a deviation detector spring in the manometer connected to an indicator by a tie rod, and the spring is subjected to a reference pressure for spring deflection measurement before producing the bearing for t... | 07/08/1980 |
| 4211001 | Contact loading apparatus An apparatus is disclosed for automatically loading electrical contacts in the contact mounting pockets of a high density, multiple contact connector. The apparatus includes means for assembling the contacts in proper orientation for insertion into the po... | 07/08/1980 |
| 4211002 | Hand-held peeler A hand-held peeler for vegetables and the like having an elongate housing containing a fluid driven motor and a bladed drum. In one embodiment, the motor is connected to a source of pressurized water with a hose. A detachable hollow drum having axially al... | 07/08/1980 |
| 4211003 | Adaptable knife sheath A knife sheath including a spring pressed locking pin engagable with a hole in the handle of the knife to positively retain the knife in the sheath. The sheath also includes a buckle fastened to one side of the sheath and an adapter including a strap exte... | 07/08/1980 |
| 4211004 | String-type weed cutter with mechanical line feed A weed cutter employing a revolving flexible non-metallic line as a cutting member is provided with means for mechanically feeding out additional line to replace lengths broken during operation of the cutter. A rotatable spool is provided for storing extr... | 07/08/1980 |
| 4211005 | Apparatus for cutting vegetation An apparatus, such as an edger, trimmer or lawnmower, for cutting vegetation using a flexible non-metallic line member extending into a cutting plane from a rotating head (e.g., U.S. Pat. Nos. 3,708,967, 3,826,068; 3,859,776). At the user's signal during ... | 07/08/1980 |
| 4211006 | Guarded razor blade A razor blade having guard elements deposited in recessed guard seats formed in the cutting edge and flanking surfaces of the blade. The guard elements may be deposited by electrochemical plating and their retention on the blade is enhanced by the recesse... | 07/08/1980 |
| 4211007 | Chain saw guide bar and sawdust plate An improved guide bar for a chain saw having two sawdust kick-out holes in the rear of the guide bar. Each kick-out hole passes completely through the guide bar and through a guide groove in the bar. Also provided are at least two lubricating holes in the... | 07/08/1980 |
| 4211008 | Oral device A device adapted to be placed in the human mouth for treating among other things temporomandibular joint dysfunctions comprising an elongated flexible plastic body having occlusal portions at the extremities thereof, the occlusal portions being interconne... | 07/08/1980 |
| 4211009 | Dental handpiece A dental handpiece comprises a rear portion or handle and a front portion or head which are coupled by means of a female member secured to one portion and a male member secured to the other portion, the female member having formed therein a longitudinal s... | 07/08/1980 |
| 4211010 | Multiple-curved fashion design tool A multiple-curved fashion design tool of substantially transparent colored plastic material for fashioning and tailoring both ready-made and home-sewn clothing. Adjoining one-by-one inch grids with 1/8" divisions are formed in each major surface of the to... | 07/08/1980 |
| 4211011 | Self measuring garment assembly A self measuring garment assembly which includes a garment having at least one measuring tape connected to the inside thereof at the selected circumferential portion to be measured with the tape being calibrated to indicate the circumferential measurement... | 07/08/1980 |
