| Patents for Henry Martin |
Patents 1 -
10
of 16
      |
| Picture | Number | Date | Patentee | Title |
 | 5,811X | Feb. 02, 1830 | Z. Allen | Machine for forming a nap on woolen cloth |
 | 17,146 | Apr. 28, 1857 | C.H. Field | Machine for engraving designs on watch and locket cases, &c. |
 | 20,942 | Jul. 20, 1858 | E. Field | Watch Case Making |
 | 21,160 | Aug. 10, 1858 | W. Tucker | Variable-Boring Bit |
 | 22,813 | Feb. 01, 1859 | H. Martin | Tool for crozing and chamfering barrels |
 | 55,578 | Jun. 12, 1866 | D.W. Coggeshall | Improvement in Pipe-Wrenches |
 | 77,107 | Apr. 21, 1868 | T.A. Searle | Improvement in Wrenches |
 | 78,882 | Jun. 16, 1868 | H. Martin | Improvement in machines for cutting staves |
 | 91,910 | Jun. 29, 1869 | C.S. Clark | Engine Lathe |
 | 133,828 | Dec. 10, 1872 | C.N. Brown | Improvement in saws |
