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 |
| 4440418 | Ski base coating A ski base coating including an embossed push-off aid which consists of a plurality of steps having steep gradient push-off flanks (1', 1", 3) in push-off direction and flat angle ramps in gliding direction. The upper side of the steps is formed of a cont... | 04/03/1984 |
| 4377297 | Ski, particularly Alpine ski A ski, particularly an Alpine ski, wherein the steering of the ski while edging, particularly its ability to execute carved turns, and its edge grip, are improved in that the lateral boundary lines of its bottom edges are so designed that the width of the... | 03/22/1983 |
