Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 5107997 | Cable machine control Cable machine control, particularly a grapple yarder is provided with an integrated control system whereby the operator is provided with controls each of which controls a desired operation or movement of the grapple. In particular the controls include a h... | 04/28/1992 |
| 4440305 | Carriage for cable logging system A skyline logging system wherein a skyline cable is supported at an intermediate location by an intermediate support assembly and a logging carriage is supported on the cable and is arranged to pass over the intermediate support assembly. The carriage has... | 04/03/1984 |
