| Patents for F. B. Curtis |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
 | 115,450 | May 30, 1871 | E. Doty | Improvement in tackle-blocks |
 | 115,945 | Jun. 13, 1871 | H. Fellows | Improvements in Weather-Board Gauges |
 | 116,243 | Jun. 20, 1871 | W.H. Warren | Improvement in Metal Planers |
 | 119,200 | Sep. 19, 1871 | G.W. Tinsley | Improvement in Weather-Board Gauges |
 | 119,878 | Oct. 10, 1871 | R.C. Parvin | Improvements in Traction Engines |
 | 122,263 | Dec. 26, 1871 | D. Lane | Improvement in head blocks for saw mills |
 | RE4,745 | Feb. 06, 1872 | D. Lane | Improvement in head-blocks |
 | RE4,764 | Feb. 20, 1872 | D. Lane | Improvement in head-blocks for saw-mills |
