...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 |
| 6754943 | Method of manufacturing an axially collapsible driveshaft assembly A method of manufacturing a driveshaft for use in a vehicular drive train system includes the initial step of providing an inner tube including a portion having a plurality of splines formed therein. A portion of an outer tube is then disposed about the portion of t... | 06/29/2004 |
| 6666772 | Axially collapsible driveshaft assembly An axially collapsible driveshaft includes a first driveshaft tube section, a connecting member having a first end portion that is secured to the first driveshaft tube section, and a second driveshaft tube that is secured to a second end portion of the co... | 12/23/2003 |
| 6484384 | Method of manufacturing an axially collapsible driveshaft assembly A method of manufacturing a collapsible driveshaft assembly includes the steps of disposing an end of a first tube within a forming die having a non-circular cross sectional shape, expanding the end of the first tube into conformance with the die cavity, ... | 11/26/2002 |
| 6361444 | Flexible boot assembly for a constant velocity joint A flexible boot assembly for protectively covering a constant velocity joint includes a flexible boot having an end portion that is molded about a flange portion of a rigid can. The flexible boot is preferably formed from an elastomeric material and can b... | 03/26/2002 |
| 6234911 | Driveshaft assembly having a noise reduction structure A noise reduction structure for an aluminum-based driveshaft tube includes a generally cylindrical member having a predetermined length. The noise reduction structure is disposed within a driveshaft tube in a press fit relationship with the inner surface ... | 05/22/2001 |
| 5807180 | Constant velocity universal joint shaft and inner race combination A constant velocity joint shaft and inner race combination is provided. The combination includes a shaft having an annular shoulder and a splined section generally adjacent to the shoulder. An inner race with a splined bore is fitted over the splined sect... | 09/15/1998 |