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 |
| 7347457 | Hose connection piece, a hose coupling and a hose fitting having a hose connection piece A hose connection piece is disclosed having a region for the reception of a hose end, wherein a peripheral sealing groove is provided on the outer side of the hose connection piece for the sealing of the hose connection. Also disclosed is a hose coupling having a ho... | 03/25/2008 |
| 5685576 | Pipe coupling A connector for a composite pipe includes a male conical member to be inserted between inner and outer layers of the pipe. The outer layers have oppositely wound composite strips which are overlapped along the conical surface. The ends of the strips are b... | 11/11/1997 |
