| Patents for Henry Howson Jr. |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
 | 188,604 | Mar. 20, 1877 | T.S. Disston | Improvement in Combined Pruning Shears and Saw |
 | 189,199 | Apr. 03, 1877 | T.S. Disston | Improvement in insertable saw-teeth |
 | 192,632 | Jul. 03, 1877 | H. Albrecht | Improvement in clamping devices for fluting-machines |
 | 192,673 | Jul. 03, 1877 | W.E. Brock | Improvement in machines for manufacturing compound lumber |
 | 192,920 | Jul. 10, 1877 | B.F. Joslyn | Wrench |
 | 226,582 | Apr. 13, 1880 | E. Miller | Wrench |
 | 227,622 | May 18, 1880 | W.W. Griscom | Electro-Magnetic Motor |
 | 227,623 | May 18, 1880 | W.W. Griscom | Electro-Magnetic Motor |
 | 235,326 | Dec. 07, 1880 | J. Yerkes | Manufacture of Hammers and Hatchets |
 | 282,304 | Jul. 31, 1883 | J. Garland | Saw set |
