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