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| Patents for Thomas J. Drummond | |||||
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| Number | Date | Patentee | Title | Type | |
| 522,136 | Jun. 26, 1894 | J.H. Vinton | Chain Wrench | chain and strap wrenches | |
| 536,553 | Mar. 26, 1895 | J.H. Vinton | Chain Wrench | chain and strap wrenches | |
| 544,115 | Aug. 06, 1895 | F.S. Perkins | Engine Lathe | engine lathes | |
| 545,944 | Sep. 10, 1895 | E. Champane | Wrench | axle nut wrenches | |
| 569,558 | Oct. 13, 1896 | L. Joncas | Carpenter's Gage | marking gauges | |
| 628,749 | Jul. 11, 1899 | W.A. Bradford | Pipe Wrench | chain and strap wrenches | |
| D34,483 | May 07, 1901 | E.O. Lundin | Design For A Jaw Member For Carbon-Cutting Pliers | pliers | |
| 674,399 | May 21, 1901 | E. Childs | Pipe Wrench | chain and strap wrenches | |
| 726,287 | Apr. 28, 1903 | F.A. Hatch | Calipers | calipers | |
| 740,646 | Oct. 06, 1903 | H.C. Hanson | Depth Gage | micrometer depth gauges | |
| 765,569 | Jul. 19, 1904 | A.G. Ely | Wrench | wrench jaw components | |
| 765,583 | Jul. 19, 1904 | C.F. Leavitt | Pipe Wrench | chain and strap wrenches | |
| 952,223 | Mar. 15, 1910 | B.W. Woodward | Wrench | screw adjust wrenches | |
| 1,012,036 | Dec. 19, 1911 | J.H. Vinton | Nut Guard | wrench components | |
| 1,012,037 | Dec. 19, 1911 | J.H. Vinton | Wrench | wrench jaw components | |