...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 |
| 4897841 | System and method for bridging local area networks using concurrent broadband channels Local area networks are interconnected through bridging devices by a backbone network having a plurality of broadband channels. The bridges encapsulate local area network messages within backbone network messages which are addressed to specific bridges. T... | 01/30/1990 |