| Patents for E. M. Clark |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 400,058 | Mar. 26, 1889 | J.F. Conniff | Steam Sled | steam traction engines |
| 442,062 | Dec. 02, 1890 | J.E. Lloyd | Glazier's Diamond | glazier |
| 443,377 | Dec. 23, 1890 | G.T. Peters | Horseshoe Hammer | hammers |
| 447,163 | Feb. 24, 1891 | J. Ryan | Screw Wrench | screw adjust wrenches |
| 459,672 | Sep. 15, 1891 | H.V. Bernhardt | Micrometer Sheet Metal Gage | micrometers |
| 459,679 | Sep. 15, 1891 | D.J. Doane | Sliding Gage for Stonecutters' Use | special purpose gauges |
| 467,381 | Jan. 19, 1892 | A. Davis, W.F. Parsons | Wrench | angle adjustable wrenches |
| 477,158 | Jun. 14, 1892 | C. Sprewitz | Veneering-machine | veneer machines |
| 482,198 | Sep. 06, 1892 | J. Ryan | Improvement in Pipe-Wrenches | quick adjust wrenches |
| 502,127 | Jul. 25, 1893 | A. Lurie | Bench-vise | bench vises |
| 504,962 | Sep. 12, 1893 | C.L. Bronk | Bench Dog | bench stops |
| 512,007 | Jan. 02, 1894 | F.A. Carrithers | Nut-Wrench | nut wrenches |
| 513,348 | Jan. 23, 1894 | E.K. Thoden | Portable boring and mortising machine | portable timber borers |
