| All Patents in class 144/72 |
Patents 31 -
36
of 36
      |
| Number | Date | Patentee | Title | Type |
| 984,057 | Feb. 14, 1911 | J. Zetter | Chain mortising machine | mortising machines |
| 987,065 | Mar. 14, 1911 | W.B. Haigh | Chain mortising machine | mortising machines |
| 997,345 | Jul. 11, 1911 | V. Varin | Chain mortising machine | mortising machines |
| 1,007,180 | Oct. 31, 1911 | R.S. Brown | Machine for mortising pulleys | mortising machines |
| 1,170,120 | Feb. 01, 1916 | F.D. Slonaker | Portable Chain Mortising Machine | making handsaws |
| 1,817,910 | Aug. 11, 1931 | R.S. Brown | Chain mortiser | mortising machines |
