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 |
| 7320384 | Gearbox for gardening machine A gearbox includes a housing having therein a receiving chamber, a transmission gear wheel mounted in the receiving chamber for rotation driven by an external driving force, an eccentric shaft assembly mounted in the receiving chamber and coupled to the transmission... | 01/22/2008 |
| 5904427 | Unitized wheel hub and bearing assembly with lubricant distributing vanes A wheel hub and bearing assembly for use on the ends of a stationary axle and particularly on tractor and trailer axles. A wheel hub, a pair of bearings, a bearing spacer and seals are assembled and installed on the axle end. The bearing spacer is positio... | 05/18/1999 |
