| Patents for Martin H. Olsen |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 639,293 | Dec. 19, 1899 | H. Ritter | Sight Feed Oil Cup | oil cups |
| 1,110,879 | Sep. 15, 1914 | W.R. Brown | Calipers | measurement gauges |
| 1,157,890 | Oct. 26, 1915 | J. Miotke | Saw Sharpening Machine | saw sharpening machines |
| 1,336,754 | Apr. 13, 1920 | R. Parmelee | Vise | pipe and chain vises |
| 1,336,755 | Apr. 13, 1920 | R. Parmelee | Vise | pipe and chain vises |
| D57,044 | Feb. 01, 1921 | C.H. Miller, J.E. Hollison | Dental Die Device | pliers |
| 1,371,679 | Mar. 15, 1921 | J.L. Happy | Speed Wrench | self-adjust wrenches |
| 1,527,772 | Feb. 24, 1925 | C.M. Baird | Fireman's Spanner | firehose and hydrant wrenches |
