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 |
| 5433153 | Amusement track ride system with helical spinning section having locking restraints and enhanced passenger view An amusement track ride system comprises a pair of rails forming a track including a spinning section. A car traveling along the rails includes a chassis, a passenger seat on the chassis, and a plurality of wheel portions situated close to the feet of a p... | 07/18/1995 |
| 4831937 | Amusement ride device An amusement ride device comprises a track composed of a pair of parallel rails and having a central axis extending between the rails, and a car adapted to travel along the track. The car includes a car body, a pair of front wheels and a pair of rear whee... | 05/23/1989 |
| 4724771 | Closed-loop amusement ride system An amusement ride system according to the present invention comprises a pair of rails extending at a fixed distance from each other, and a passenger car located between the rails and traveling along the rails. A plurality of wheel units are provided on ei... | 02/16/1988 |
| 4548136 | Track-traveling four-wheel vehicle A track-traveling four-wheel vehicle is arranged such that pedalling power of a passenger is transmitted to rear wheels as drive wheels through a chain, and the rear wheels and front wheels as driven wheels roll along two rails. The vehicle has: frames co... | 10/22/1985 |
| 4531459 | Standing position support apparatus for amusement vehicle The invention provides a standing position support apparatus having: a standing position support column for holding a passenger in an upright posture on a main body of a vehicle which rolls or orbits along a track; a height-adjusting frame which is dispos... | 07/30/1985 |
