Did You Know...
...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7290459 | Transmission for a dune buggy A transmission for a dune buggy has a transaxle, a transmission gear assembly, a forward bevel gear, a reverse bevel gear, a counterrotation bevel gear, a sleeve and a gear shifting lever assembly. The transmission gear assembly is mounted around the transaxle and i... | 11/06/2007 |
| 7210543 | Reversible power takeoff driven post hole digger A reversible post hole digger apparatus powered by a power takeoff shaft includes a transmission providing a reverse gear and a forward gear in a single housing. The apparatus has a power head disposed between a shaft connected to the power takeoff and an output sha... | 05/01/2007 |
