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| All Patents in class 74/103 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,975X | May 20, 1830 | M. Metee | Pumps | pumps | |
| 249,259 | Nov. 08, 1881 | H.B. Riehlé | Wedge-clamp | ||
| 535,826 | Mar. 19, 1895 | W.E. Wilkinson, C.E. Gee | Measuring-pump | ||
| 2,486,254 | Oct. 25, 1949 | T.S. Briskin, J.C. Zivny | Control mechanism for electrically driven tools | handheld power drills | |
| 2,765,009 | Oct. 02, 1956 | O.D. Doerner | Lathe and drill press assembly | wood lathes | |