| All Patents in class 408/71 |
Patents 1 -
15
of 32
      |
| Number | Date | Patentee | Title | Type |
| 79 | Nov. 14, 1836 | H. Crum | Wood-screw-threading machine, &c. | wood threading machines |
| 516 | Dec. 15, 1837 | C.O. Read | Machine for Making Wood Screws | screw machines |
| 4,548 | May 30, 1846 | T.W. Harvey | Making Wood Screws | screw machines |
| RE88 | Oct. 07, 1846 | C.O. Read | Making Wood Screws | screw machines |
| 166,963 | Aug. 24, 1875 | M. Bray | Improvement in machines for drilling rivets | rivet making machines |
| 188,773 | Mar. 27, 1877 | M. Bray | Improvement in machines for drilling the shanks of rivets | rivet making machines |
| 407,537 | Jul. 23, 1889 | G. Landmann | Machine for Making Screws | screw machines |
| 574,162 | Dec. 29, 1896 | G.G. Prentice | Multiple Screw Machine | screw machines |
| 828,176 | Aug. 07, 1906 | C.L. Bailey | Machine for boring bobbins | drilling and boring |
| 1,112,539 | Oct. 06, 1914 | A.B. Landis | Bolt-threading machine | metal threading machines |
| 1,173,574 | Feb. 29, 1916 | G.D. Hayden | Automatic screw-machine | screw machines |
| 1,560,487 | Nov. 03, 1925 | A.A. Shafer | Automatic Screw Threading Machine | metal threading machines |
| 1,679,529 | Aug. 07, 1928 | A.M. Johnson | Automatic machine tool | tapping machines |
| 1,679,530 | Aug. 07, 1928 | A.M. Johnson | Automatic drilling or tapping machine | drill presses |
| 1,838,945 | Dec. 29, 1931 | A.M. Johnson | Automatic machine tool | nut or bolt making machines |
