Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 5941196 | Amusement device for pets A method and apparatus for amusement of pet animals, which includes a base member, a stand mounted on the base member, a first arm mounted on the stand, a drive member mounted on the first arm, a second arm mounted on the first arm and engageable with the... | 08/24/1999 |
| 5836801 | Climbing toy device A climbing toy device has a ring, a first climbing toy, a climbing mechanism disposed in the first climbing toy, a rope connected to the ring and the climbing mechanism, a second climbing toy, and a string connected to the ring and the second climbing toy... | 11/17/1998 |
| 5626504 | Toy vehicle and track assembly A toy vehicle and track assembly includes an electrically operable vehicle for movement along an elongate flexible track of a predetermined length having flexible electrical conductors along the longitudinal extent thereof. The vehicle is configured for a... | 05/06/1997 |
| 5507679 | Toy vehicle system and associated vehicle A toy vehicle system has a vehicle provided with a resiliently biased driven wheel. The wheel is driven by a motor and interposed gears for rotating said driven wheel. The driven wheel is in contact with a lateral side of the track. The motor and driven w... | 04/16/1996 |
| 5320572 | Toy movable on a cord A toy is hung and is movable on a cord between an upper limit position and a lower limit position. The toy includes a frame unit, a driving device, a planetary gearing, and a cord winding gearing assembly. The driving device has a power source installed o... | 06/14/1994 |
| 4664640 | Toy for use with infant furniture A toy suitable for attaching to infant furniture has an elongated track having ends with connecting members positioned on the ends of the track for connecting to an appropriate portion of the infant furniture, such as the side rails of a crib. A housing i... | 05/12/1987 |
| 4266369 | Toy cableway A toy cableway assembly in which an endless cable is strung over pulley wheels which are rotatable on standards that are detachably mounted on a vertical wall. The standards project laterally from the wall at selected sites therein to determine the travel... | 05/12/1981 |
| 4037358 | Model airplane drive and control system A toy or model airplane including a drive and attitude control system for simulating actual aircraft maneuvers including taxiing, take-off, climb, descent, turns and landing. The system includes a toy airplane suspended by a tether from a moveable platfor... | 07/26/1977 |
