| Patents for Eugene Humphrey |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 74,541 | Feb. 18, 1868 | E. Humphrey | Improvement in saws | saw teeth |
| 91,227 | Jun. 15, 1869 | A. Guinzburg | Household Implement | combination tools |
| 226,190 | Apr. 06, 1880 | H.K. Porter | Bolt-cutter | bolt cutters |
| 271,595 | Feb. 06, 1883 | S.A. Bostwick | Pipe Wrench | pipe wrenches |
| 290,137 | Dec. 11, 1883 | E.W. Strange | Set-works for saw-mills | sawmill set works |
| 317,449 | May 05, 1885 | J. Flather | Feed Mechanism for Lathes | metalworking machine mechanisms |
| 324,378 | Aug. 18, 1885 | J.T. Hayden | Pipe Wrench | chain and strap wrenches |
| 326,342 | Sep. 15, 1885 | J.C. Smith | Adjustable Concentric Channeler | adjustable drill bits |
| 331,812 | Dec. 08, 1885 | J. Norris | Cushioned Nippers and Pliers For Glass Cutters' Use | pliers |
| 361,218 | Apr. 12, 1887 | J.M. Foster, B.F. Kent | Rotary kerf-spreader | woodworking machine safety guards |
| 499,199 | Jun. 13, 1893 | J. Bath | Calipers | measurement gauges |
| 520,201 | May 22, 1894 | J. Bath | Micrometer Indicator | test indicators |
| 526,960 | Oct. 02, 1894 | J. Bath | Micrometer Indicator | test indicators |
| 643,080 | Feb. 06, 1900 | J. Boulet | Gear Tooth Calipers | measurement gauges |
| 659,048 | Oct. 02, 1900 | J. Boulet | Micrometer Indicator | test indicators |
