| Patents for J. W. Coombs |
Patents 76 -
88
of 88
      |
| Number | Date | Patentee | Title | Type |
| 75,182 | Mar. 03, 1868 | J. Mix | Improvement in Manufacturing Gimlets | making drills and augers |
| 76,147 | Mar. 31, 1868 | A. Bartholf | Improved saw-gumming or toothing machine | tool making machines |
| 76,519 | Apr. 07, 1868 | A.S. Petrie | Improvement inWrenches | nut wrenches |
| 76,791 | Apr. 14, 1868 | R.N. Meriam | Inside molder | molders |
| 79,032 | Jun. 16, 1868 | D.H. Tierney | Bevel & Tapering Gauge | special purpose gauges |
| 86,534 | Feb. 02, 1869 | C. Hall | Improvement in Screw-Wrench | quick adjust wrenches |
| 90,311 | May 18, 1869 | J. Russell | Corn Husker | corn huskers |
| 91,625 | Jun. 22, 1869 | R. Henderson | Planer Chuck | metal planer chucks |
| 94,107 | Aug. 24, 1869 | M. Hastings | Pipe Wrench | pipe tongs |
| 94,920 | Sep. 14, 1869 | N.C. Smith | Die for Spring Calipers | calipers |
| 104,620 | Jun. 21, 1870 | E.H. Meigs | Improvement in Molders' Hammers | patternmaker |
| 118,619 | Aug. 29, 1871 | J.W. Mahlon | Improvement in Wrenches | wrenches |
| 120,266 | Oct. 24, 1871 | J.J. Grant | Improvement in Dies for Cutting Screw Threads | tap wrenches and die stocks |
