| Patents for G. L. Chapin |
Patents 1 -
10
of 30
      |
| Picture | Number | Date | Patentee | Title |
 | 81,967 | Sep. 08, 1868 | J.S. Williams | Improvement in double ratchet-lever power |
 | 82,351 | Sep. 22, 1868 | C. Robinson | Improvement in miter-boxes |
 | 91,387 | Jun. 15, 1869 | A. Vaughan | Improved post auger |
| | 99,268 | Jan. 25, 1870 | W. Werts | Improved machine for shrinking tire |
 | 107,861 | Oct. 04, 1870 | W. Bowman | Improvement in circular-saw mills |
 | 108,326 | Oct. 18, 1870 | J.C. Butterfield, J. Hay | Improvement in trip-hammers |
 | 137,284 | Apr. 01, 1873 | E. Benjamin | Improvement in sawing-machines |
 | 142,669 | Sep. 09, 1873 | E. Benjamin | Improvement in cutter-heads |
 | 145,304 | Dec. 09, 1873 | W.F. Moody | Improvement in rotary steam-engines |
 | 148,840 | Mar. 24, 1874 | W.F. Moody | Improvement in dovetailing machines |
