Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 5180349 | Simulated tightrope walking apparatus Apparatus for simulating the sag, bounce and side-to-side sway of a tightrope consists of a beam formed by placing one fiberglass tube within another and a pair of spaced support members for supporting the beam at a desired distance above and generally pa... | 01/19/1993 |
| 5052971 | Soft doll with movable limbs Structure for attaching arms and legs to the seamless torso skin of a soft doll includes a circular plug, having an annular groove extending around its circumference, which is placed inside the skin at a hip or shoulder location and there held in place by... | 10/01/1991 |
| 4972781 | Foldable tray table A foldable tray table for supporting a variety of articles, including beverages in cans or tumblers, has a rigid, generally rectangular table top having one or more openings therethrough shaped and dimensioned to accept a beverage can or a book. The openi... | 11/27/1990 |
| 4863174 | Ball catcher and thrower Disclosed is a hand-held catching and throwing device for maintaining an aerial projectile, such as a ball, in continuous flight or motion. The device includes an elongated, rigid, transparent double-ended tube providing a passage for receiving and projec... | 09/05/1989 |
| 4513966 | Vehicle jump for a toy vehicle game A toy vehicle jump includes a launching ramp and a landing ramp for an independently propelled toy vehicle, and an adjusting device for changing the orientation of one of the ramps from an operative position, in which a vehicle can negotiate the jump, to ... | 04/30/1985 |
| 4423871 | Toy vehicle game The toy vehicle game includes a track, a toy vehicle for operation thereon, and a launcher for launching the vehicle to propel it along the track. The track includes a start position at which the launcher is located and an end position, located above the ... | 01/03/1984 |
| 4415157 | Two-way slotless road racing game A toy vehicle game includes a relatively flat slotless track having spaced sidewalls defining a pair of lanes therebetween. A pair of toy vehicles each having a body, a reversible electric motor and means for steering and/or biasing said vehicle into one ... | 11/15/1983 |
| 4409750 | Calender formed from a cube puzzle A cube puzzle is disclosed having a plurality of small cubies operatively interconnected to permit manipulation of the cubies and movement thereof from face to face of the cube and into different positions on the cube without disassembly of the cubies. Ea... | 10/18/1983 |
| 4394018 | Electronic logic game A microprocessor-based electronic logic game gives players clues to an event, such as a murder, identifies a group of suspects, and permits each player to ask private questions of the suspects to logically narrow down the possibilities to a single culprit... | 07/19/1983 |
| 4382599 | Toy vehicle game A slotless toy vehicle game in which controllable toy vehicles can change lanes in substantially any location along the track includes a track section defining a portion of the pair of the lanes and having an obstruction wall between the lanes preventing ... | 05/10/1983 |
| 4346640 | Decorative light flashing apparatus and acousto-electric transducer therefor A decorative light flashing apparatus employs a mass-damped dynamic microphone which preferentially responds to impulse-type sounds to trigger a timing circuit. The timing circuit produces pulses in response to the impulse-type sounds which drive a commut... | 08/31/1982 |
| 4346894 | Driver skill test for toy miniature vehicles A slotless toy vehicle game having a track including spaced sidewalls along which a controllable toy vehicle is guided, depending upon the polarity of current supplied to its motor, includes an interrupted wall track section having elongated openings ther... | 08/31/1982 |
| 4334221 | Multi-vehicle multi-controller radio remote control system A radio control system for a multi-controller, multi-vehicle, independently controlled toy vehicle system provides proportional steering and speed control without mutual interference. Each of a plurality of control sets repetitively transmits low-duty-cyc... | 06/08/1982 |
| 4327519 | Wandering drone car A toy vehicle and toy vehicle game are disclosed in which a plurality of controllable toy vehicles collect current from conductor strips in a slotless track and switch lanes when current polarity is reversed. A toy drone car is used in the game which coll... | 05/04/1982 |
| 4324065 | Balance operated game A toy game comprises a simulated alligator body having a pair of jaws mounted thereon for movement between relatively closed and opened positions. At least one of the alligator's legs is pivotally mounted on the body for movement between an extended posit... | 04/13/1982 |
| 4322079 | Race set with detour A slotless toy vehicle game in which controllable toy vehicles can change lanes in substantially any location along the track includes a drone vehicle operated on the track in a direction of travel opposite that of the controllable vehicles and a detour t... | 03/30/1982 |
| 4295649 | Toy miniature vehicle racing game A toy vehicle race game is disclosed which includes a relatively flat slotless track having at least two track portions, each of which defines separate paths of travel having inner and outer lanes. The track portions include unobstructed cross-over areas ... | 10/20/1981 |
| 4291877 | Toy vehicle engine sound device An engine-sound accessory for an electric toy vehicle produces a sound output which varies its characteristics in proportion to an electric input to the toy vehicle. The apparatus measures the total electric current fed to the toy vehicle to produce a sou... | 09/29/1981 |
| 4287681 | Toy doll and accessory A combination doll and accessory is provided in which the doll has an articulated limb mounted for movement relative to the doll's torso and pneumatically actuated bellows in the body for moving the limb upon application of pressure to an air reservoir co... | 09/08/1981 |
| 4282676 | Mechanical sound mechanism A toy doll includes a sound reproducing device having a rotatable grooved record and a transmission for rotating the record in a predetermined direction upon oscillation of the doll's arm. A tone arm bearing a needle is supported in the doll's body for en... | 08/11/1981 |
| 4276714 | Doll including mechanism for sucking action and sounds The toy doll includes a body and a movable head having a mouth opening formed therein. A drive mechanism is contained within the doll's body for oscillating the head in a forward and aft direction in response to the insertion of an object into the doll's ... | 07/07/1981 |
| 4262444 | Big mouth doll The toy doll includes a flexible body and a head portion which are shaped to respectively include the upper and lower portions of the doll's mouth. Means are provided in the head for pivoting the head portion with respect to the body when the body is sque... | 04/21/1981 |
| 4247104 | Tennis racquet A racket, for use in playing tennis and similar games, includes a frame which defines a head and a handle, with the head having a generally polygonal configuration defined by a first pair of sides that extend from the handle away from each other to the wi... | 01/27/1981 |
| 4247108 | Time limited power boost passing for toy vehicles A toy vehicle game includes an endless track defining two generally parallel lanes along which toy vehicles including reversible rotary drive motors responsive to current polarity reversal are driven while being biased against one or the other of the side... | 01/27/1981 |
| 4231183 | Differential gear drive A toy vehicle for use in a toy vehicle game including an endless track defining at least two parallelly extending vehicle lanes in which two or more toy vehicles are adapted to be operated. The toy vehicles each include a reversible rotary drive motor and... | 11/04/1980 |
| 4222558 | Flight vehicle toy A flight vehicle toy includes a pair of vehicles driven about a support stand in a simulated race or "dog" fight through support arms which are rotated from a pair of coactial shafts in the support stand. The toy vehicles are mounted on the support arms t... | 09/16/1980 |
| 4218846 | Lane changing toy car with unidirectional clutch and positive steering A toy vehicle is provided for use in a toy vehicle game including an endless track defining at least two parallely extending vehicle lanes in which two or more toy vehicles are operated. The toy vehicles each include a reversible electric rotary drive mot... | 08/26/1980 |
| 4211409 | Toy vehicle game and drone vehicle A toy vehicle and toy vehicle game are disclosed in which a plurality of toy vehicles are provided that collect current from conductor strips in a slotless track and switch lanes when the current polarity is reversed. A toy drone car is used in the game w... | 07/08/1980 |
| 4200287 | Remotely controlled miniature vehicle An improved remotely controlled miniature vehicle, more particularly an electrically driven miniature car of the type operated on a track-way having contact strips through which power is supplied to the driving motor of the vehicle. Improved remote contro... | 04/29/1980 |
| 4195437 | Convertible doll house A convertible doll house is provided which includes first and second house sections each of which has perpendicularly extending wall and floor panels. The house sections are positioned, in a first relative position, with their wall panels pivotally connec... | 04/01/1980 |
| 4187637 | Toy vehicle A toy vehicle is provided for use in a toy vehicle game including an endless track defining at least two parallelly extending vehicle lanes in which two or more toy vehicles are adapted to be operated. The toy vehicle includes a reversible rotary drive mo... | 02/12/1980 |
| 4186516 | Posable doll A toy doll adapted to simulate skating movements of an ice skater which includes a torso, and a pair of legs pivotally connected to the torso so that one of the legs is free to rotate with substantially unrestrained movement, while the other leg is mounte... | 02/05/1980 |
| 4155197 | Steerable toy vehicle A toy vehicle is provided for use in a toy vehicle game including an endless track defining at least two parallely extending vehicle lanes in which two or more toy vehicles are adapted to be operated. The toy vehicles each include a reversible rotary driv... | 05/22/1979 |
| 4141552 | Toy drone car game A toy vehicle and toy vehicle game are disclosed in which a plurality of toy vehicles are provided that collect current from conductor strips in a slotless track and switch lanes when the current polarity is reversed. A toy drone car is used in the game w... | 02/27/1979 |
| 4141553 | Toy vehicle game A toy vehicle is provided for use in a toy vehicle game including an endless track defining at least two parallelly extending vehicle lanes in which two or more toy vehicles are adapted to be operated. The toy vehicles each include a reversible rotary dri... | 02/27/1979 |
| 4125261 | Toy vehicle and toy vehicle game A toy vehicle is provided for use in a toy vehicle game including an endless track defining at least two parallely extending vehicle lanes in which two or more toy vehicles are adapted to be operated. The toy vehicles each include a reversible rotary driv... | 11/14/1978 |
| 4123838 | Plumber's handle pulling tool A plumber's handle pulling tool for pulling valve handles from valve stems includes an outer stabilizing clamp providing a pair of substantially "C" shaped stabilizing arms affixed to an outer bar element, an inner handle pulling clamp providing a pair of... | 11/07/1978 |
| 4117282 | Switch time-delay mechanism for toy gun A timing mechanism for controlling actuation of a switch in a toy gun in order to produce a burst of light of a predetermined duration includes a housing and a switch actuating member movably mounted in the housing for movement between first and second po... | 09/26/1978 |
| 4109913 | Toy vehicle A toy vehicle is provided for use in a toy vehicle game including an endless track defining at least two parallely extending vehicle lanes in which two or more toy vehicles are adapted to be operated. The toy vehicle includes a reversible rotary drive mot... | 08/29/1978 |
| 4106695 | Toy vehicle track A toy vehicle track section for use with similar track sections to form an interconnected track for a toy vehicle includes a base formed of electrically non-conductive material having opposite ends with at least one of the ends having a plurality of gener... | 08/15/1978 |
