| Patents for Henry Howson Jr. |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 188,604 | Mar. 20, 1877 | T.S. Disston | Improvement in Combined Pruning Shears and Saw | making handsaws |
| 189,199 | Apr. 03, 1877 | T.S. Disston | Improvement in insertable saw-teeth | insertable saw teeth |
| 192,632 | Jul. 03, 1877 | H. Albrecht | Improvement in clamping devices for fluting-machines | pressing irons |
| 192,673 | Jul. 03, 1877 | W.E. Brock | Improvement in machines for manufacturing compound lumber | specialty woodworking machines |
| 192,920 | Jul. 10, 1877 | B.F. Joslyn | Wrench | nut wrenches |
| 226,582 | Apr. 13, 1880 | E. Miller | Wrench | wrenches |
| 227,622 | May 18, 1880 | W.W. Griscom | Electro-Magnetic Motor | DC motors |
| 227,623 | May 18, 1880 | W.W. Griscom | Electro-Magnetic Motor | DC motors |
| 235,326 | Dec. 07, 1880 | J. Yerkes | Manufacture of Hammers and Hatchets | hammers |
| 282,304 | Jul. 31, 1883 | J. Garland | Saw set | saw sets |
| 300,194 | Jun. 10, 1884 | M.E. Beasley, E.M. Hugentobler | Barrel stave shaping machine | barrel making machines |
| 331,075 | Nov. 24, 1885 | F.B. Miles | Drilling-machine | radial drill presses |
| 363,626 | May 24, 1887 | W.D. Forbes | Die-stock | tap wrenches and die stocks |
