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Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 6951498 | Vehicle playset with remote control A wireless toy playset. The playset includes a small size vehicle that moves about a track. Movement of the vehicle is controlled by a wireless transmitter. At the discretion of a parent or end user the transmitter can either be structurally coupled to the track or ... | 10/04/2005 |
| 6533281 | Playing machine A playing machine making a player feel as if a car is running by moving a mobile body modeling a car shape on the surface of a circulating endless belt, wherein front wheels mounted on the mobile body are turned in a moving direction by a relatively simpl... | 03/18/2003 |
| 5888138 | Movable model object for use in games A movable model object which resembles a racehorse has a model supported on a base having wheels that run on a field of a horse racing game apparatus. The model includes front and rear legs as movable elements and a power transmitting mechanism for transm... | 03/30/1999 |
| 5807178 | Horse race game instrument A horse race game instrument which utilizes a simple running mechanism enabling running bodies to move and with which a horse race game can be enjoyably played on a table. A plurality of running bodies with a dummy of a horse or the like fit thereto being... | 09/15/1998 |
| 5692985 | Chain assembly with varying track levels A racing game machine includes an endless plate member formed with running lanes on a top surface thereof, the endless plate member having a grade-separated intersection portion; endless transporting chains provided below the endless plate member, each en... | 12/02/1997 |
| 5664998 | Combined slot machine and racing game A gaming system is comprised of a plurality of slot machines or other gaming machines arranged in a row with a racing display mounted above the machines so as to be visible by each of the players and by spectators. The display may resemble a horse track o... | 09/09/1997 |
| 5501455 | Racing game machine with varying track levels A racing game machine includes an endless plate member formed with running lanes on a top surface thereof, the endless plate member having a grade-separated intersection portion; endless transporting chains provided below the endless plate member, each en... | 03/26/1996 |
| 5480148 | Water driven roller coaster game A water activated roller coaster game system for fun and amusement and prizes is disclosed. The system comprises a game housing having an enclosed rear face and an enclosed side face and an enclosed top roof and an enclosed bottom floor and an open front ... | 01/02/1996 |
| 5452893 | Competitive, multi-lane vehicle racetrack This invention is a model racetrack that simulates in an authentic manner motor vehicle races including causing the models to crisscross on the straightaway to simulate realistic race conditions. The third and fourth turns have a plurality of lanes which ... | 09/26/1995 |
| 5443261 | Arcade type of toy having climbing objects A toy arcade game has a plurality of spaced parallel vertical tracks. A moving object (here a monkey) is mounted on each track to drop under gravity to the bottom of the track. An endless belt drives the object up the track. If a push button is pressed qu... | 08/22/1995 |
| 5376037 | Continuous beltway and track sections for forming the beltway and a method of using the same A beltway system is provided having distinct track sections which may be interconnected to form a beltway of varying sizes and configurations. The system includes a motor which connects to a primary pulley, and a timing belt is connected to secondary pull... | 12/27/1994 |
| 4401305 | Simulated racing game A race game of the type wherein a housing has a surface with two channels located therein with an endless belt moving in each of the channels is improved by attaching to one of the endless belts a first upstanding member and attaching to the second endles... | 08/30/1983 |
| 4237648 | Moving toy figure A toy including a central board with at least one recessed track in the upper surface thereof. The recessed track has an endless belt which in a preferred embodiment may be a thin strip of nylon with teeth extending upwardly therefrom. The strip may be mo... | 12/09/1980 |
| 4213612 | Shiftable game target and projectile launching device for actuating same A competitive action game includes a playing field which is inclined downwardly from its center to first and second player stations at opposite ends. Shooting assemblies are positioned at the player stations to shoot projectiles at one of two targets moun... | 07/22/1980 |
| 3999758 | Racing game A racing game formed of a plurality of equal length tracks. A movable member is positioned on each of the tracks and contains a pair of track engaging members positioned thereon. A pair of drives are movable along each of the tracks for advancing the posi... | 12/28/1976 |
| 3986296 | Toy race type game employing a flexible belt magnetically coupled with at least one movable body A toy race type game employing magnetic coupling can be constructed utilizing a non-ferromagnetic support serving to hold one or more bodies serving as game elements in such a manner that such bodies may be moved relative to the upper surface of the suppo... | 10/19/1976 |
| 3948520 | Competitive round-about racing game A competitive round-about game apparatus including a plurality of playing pieces representing members of a Roller Derby team, or the like, wherein the playing pieces move along a plurality of motor driven track-forming channels. The game generally include... | 04/06/1976 |
