| Patents for F. P. Hale |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
 | 16,309 | Dec. 23, 1856 | T.D. Worrall | Method of Adjusting the Bits of Carpenter's Planes |
 | 105,452 | Jul. 19, 1870 | A.P. Hazard | Improved shoemakers' edge-plane |
 | 107,304 | Sep. 13, 1870 | D.C. Stillson | Improvement in Wrenches |
 | 114,939 | May 16, 1871 | D. Harrigan | Improvement in Pipe-Cutters |
 | 126,161 | Apr. 30, 1872 | D.C. Stillson | Improvement in Pipe-Wrenches |
 | 129,952 | Jul. 30, 1872 | A. Haseltine, Jr. | Improvement in sawing-machines |
 | 148,057 | Mar. 03, 1874 | S. Henry | Improvement in Tool-Handles |
 | 151,208 | May 26, 1874 | L.H. Dwelley | Improvement in lathes |
 | 152,228 | Jun. 23, 1874 | S. Henry | Awl-Handles |
 | 183,574 | Oct. 24, 1876 | T. Keenan | Improvement in Pipe-Wrenches |
