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| All Patents in class 73/862.42 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,323,818 | Dec. 02, 1919 | R.C. Berry | Bandsaw tensometer | bandsaws | |
| 2,165,002 | Jul. 04, 1939 | W.F. Ocenasek | Tensioning means for running jigsaw | scrollsaws | |
| 2,337,629 | Dec. 28, 1943 | W.H. Shortell | Tension gauge for hack saw blades | hacksaws | |
| 2,516,079 | Jul. 18, 1950 | W.H. Shortell | Tensioning device for hacksaw blades | metal sawing machines | |
| 2,539,796 | Jan. 30, 1951 | W.H. Shortell | Tension control for hacksaw blades | metal sawing machines | |