| Patents for R. M. Hunter |
Patents 1 -
15
of 22
      |
| Number | Date | Patentee | Title | Type |
| 136,253 | Feb. 25, 1873 | J.M. Long | Power Hammers | drop hammers |
| 142,216 | Aug. 26, 1873 | W.H. Drips | Improvement in Planes for Cutting Cigar-Lighters | spill planes |
| 146,648 | Jan. 20, 1874 | G.W. Bugbee | Improvement in saw-mandrels | circular saws |
| 151,592 | Jun. 02, 1874 | P.J. Hogan, A. Sowden, J. Farrow | Improvement in saw-gummers | saw gummers |
| 151,613 | Jun. 02, 1874 | D.K. Norton | Improvement in dogs for saw-mill head-blocks | sawmill dogs |
| 156,488 | Nov. 03, 1874 | S. Males | Improvement in strainers | |
| 160,395 | Mar. 02, 1875 | H.J. Cordesman | Improvement in saw-gummers | saw gummers |
| 242,918 | Jun. 14, 1881 | S.H. Garrett | Boring Gage for Bits | drill depth stops |
| 263,301 | Aug. 29, 1882 | C. Aultman | Valve-gear | valve gear |
| 272,431 | Feb. 20, 1883 | E. Harrington | Hoisting-machine | hoists, winches, come-alongs |
| 281,644 | Jul. 17, 1883 | A.C. Rex | Ice pick or cutter | ice chisels |
| 301,119 | Jul. 01, 1884 | J. Sprogell, H.S. Haskins | Overhead railway | hoists, winches, come-alongs |
| 301,177 | Jul. 01, 1884 | J. Sprogell, H.S. Haskins | Overhead railway | hoists, winches, come-alongs |
| 319,502 | Jun. 09, 1885 | G.G. Morrison | Combined Drilling and Boring Machine | drilling and boring |
| 333,199 | Dec. 29, 1885 | I.P. Cornog | Ratchet Wrench | ratchet wrenches |
