| Patents for Amos W. Hart |
Patents 1 -
10
of 14
      |
| Picture | Number | Date | Patentee | Title |
 | 204,809 | Jun. 11, 1878 | D. Gates | Improvement in drag-sawing machines |
 | 205,867 | Jul. 09, 1878 | J.F. Swinnerton, J.C. Titus, E. Huber | Portable Engine |
 | 514,308 | Feb. 06, 1894 | R.L. Davis | Combination Tool |
 | 597,611 | Jan. 18, 1898 | F.M. Humphrey, J.S. Haye | Wrench |
 | 603,972 | May 10, 1898 | J. Schaub | Photographic Plate Holder |
 | 624,875 | May 09, 1899 | W.D. Arnott, B.E. Sawyer | replaceable screwdriver blade |
 | 624,876 | May 09, 1899 | B.E. Sawyer | Surface Gage |
 | 661,902 | Nov. 13, 1900 | G. Bartlett | Saw Filing Machine |
 | 729,374 | May 26, 1903 | J.T. Marsh | Sawing-machine |
 | CA-83,712 | Nov. 03, 1903 | J.T. Marsh | Sawing-machine |
