| Patents for John F. Clark |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
 | 8,376 | Sep. 23, 1851 | W. Merrell | Lath-machine |
 | 8,550 | Nov. 25, 1851 | F. Skinner | Shingle-machine |
 | 8,882 | Apr. 20, 1852 | N. Blake | Submarine Auger |
 | 9,385 | Nov. 09, 1852 | A. Hulbert | Turning Jaw Vise |
 | 9,938 | Aug. 16, 1853 | A.W. Geaheart | Machine for preparing spoke-timber |
 | 13,522 | Sep. 04, 1855 | J.J. Haley | Dovetailing-machine |
 | 13,528 | Sep. 04, 1855 | R. Ray | Mode of Operating and Dumping Earth-Cars |
 | 13,845 | Nov. 27, 1855 | J.P. Heacock | Drilling and Screw-Cutting Machine |
 | 13,955 | Dec. 18, 1855 | S. Pelton | Horse Power |
 | 14,206 | Feb. 05, 1856 | J.S. Snider | Sawmill |
