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| All Patents in class 403/16 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 202,457 | Apr. 16, 1878 | P.A. Oliver | Device For Extracting Keys | |
| 843,931 | Feb. 12, 1907 | E.S. Costa | Self Tightening Tool Holder and Tool | ||
 | 987,391 | Mar. 21, 1911 | H.J. Mitchell | Matching planer-head | |
 | 1,056,466 | Mar. 18, 1913 | P.A. Solem | Cutter-head-securing means | |
| 1,189,606 | Jul. 04, 1916 | W.L. Miller | Safety Crank for Shafts | ||
| 1,543,457 | Jun. 23, 1925 | C.O. Swangren | Hammer | ||