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 |
| 6072392 | Apparatus and method for monitoring and recording the audible environment of a child, patient, older person or pet left in the care of a third person or persons A remote recording unit, which is worn by a child, monitors the ambient sounds in a day care center (for example) and records selected sound bytes that are played back on a docking unit. The time duration between sound bytes is periodic and re-programmabl... | 06/06/2000 |
