| Patents for Thomas J. Drummond |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 522,136 | Jun. 26, 1894 | J.H. Vinton | Chain Wrench | chain and strap wrenches |
| 569,558 | Oct. 13, 1896 | L. Joncas | Carpenter's Gage | marking gauges |
| 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 gages |
| 765,569 | Jul. 19, 1904 | A.G. Ely | Wrench | wrench jaw components |
| 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 |
| 1,033,875 | Jul. 30, 1912 | J. Carr | Tool Holder | |
| 1,064,036 | Jun. 10, 1913 | A.J. Whitfield | Chain Wrench | chain and strap wrenches |
| 1,120,973 | Dec. 15, 1914 | J. Ridge | Method of Making a File | |
