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 |
| 7151231 | Combined suitcase and weighing scale A suitcase includes a housing having a plurality of sides defining a cavity therebetween wherein one side is removably disposed along a bottom surface of the housing. The suitcase includes a first elongated and flexible handle secured to select ones of the sides def... | 12/19/2006 |
| 5895892 | Overload detection system A mechanical load indicator device continuously monitors the position of the frame of a vehicle relative to some point on the vehicle suspension. The load indicator device is calibrated to be triggered when a certain vehicle load limit is reached. When th... | 04/20/1999 |
| 4114709 | Electronic scale load cell protector An electronic scale is provided having a frame to which a load cell is secured. The scale further includes a weight receiving means, a first transmission linkage affixed to the cell and a second weight transmission linkage affixed to the weight receiving ... | 09/19/1978 |
| 4099586 | Weight indicator A weight indicator comprises an open top casing containing a resilient column, a relatively rigid pad extending across the top of the column and a scale mechanism for indicating vertical compression of the column in response to weight applied downwardly o... | 07/11/1978 |
