| Patents for John C. Dewey |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 294,389 | Mar. 04, 1884 | E.J. Humphreys | Mortising-machine | mortising machines |
| 354,076 | Dec. 07, 1886 | E.E. Webb | Spirit Level | metallic levels |
| 381,788 | Apr. 24, 1888 | G.F. Huthins | Planer Attachment for Cutting Internal Gears | metal planer accessories |
| 426,588 | Apr. 29, 1890 | S.E. Hildreth | Upright drill | drill presses |
| 491,926 | Feb. 14, 1893 | G.H. Nutt | Surface Gage | surface gauges |
| 522,053 | Jun. 26, 1894 | W.H. Gates | Trammel | trammels |
| 538,010 | Apr. 23, 1895 | J.M. Carriere | Holder for Scrapers | box scrapers |
