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| All Patents in class 83/494 | |||||
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| Number | Date | Patentee | Title | Type | |
| 92,463 | Jul. 13, 1869 | G.L. McCahan | Improvement in sawmills | sawmill feed works | |
| 376,592 | Jan. 17, 1888 | W.H. Gibbes, Jr. | Saw-mill-feed device | sawmill feed works | |
| 1,060,908 | May 06, 1913 | G.L. Knights | Rotary cutter for sheet metal | rotary cutters | |
| 1,063,298 | Jun. 03, 1913 | H.C. Smith | Shears for Cutting Metal | metal shearing machines | |
| 2,109,786 | Mar. 01, 1938 | D. Taft | Method of and Apparatus for Operating a Cutting Tool | metal sawing machines | |