| All Patents in class 408/36 |
Patents 1 -
10
of 16
      |
| Picture | Number | Date | Patentee | Title |
| | 4,671 | Jul. 28, 1846 | S. Groom | Making Wood Screws |
 | 8,414 | Oct. 07, 1851 | O. Thornley | Machine for Cutting Screws on Posts and Rails of Bedsteads |
| | 140,780 | Jul. 15, 1873 | A. Webster, G.B. Jaycox | Screw-Cutting Machines |
| | 143,412 | Oct. 07, 1873 | N.C. Hubbell | Machines for Making Metal Screws |
 | 174,994 | Mar. 21, 1876 | L. Williams | Improvement in machines for boring hubs and fellies |
 | 192,793 | Jul. 03, 1877 | J.D. Shoots | Boring Machine for Pump Logs |
 | 289,817 | Dec. 11, 1883 | T. Jenkins, Jr., F.H. Drummond | Boring-machine |
| | 447,048 | Feb. 24, 1891 | N.P. Stevens | Plug and Socket Cutter and Chuck for the Same |
 | 575,745 | Jan. 26, 1897 | D.B. Welivar | Machine for boring wheel-rims |
| | 924,963 | Jun. 15, 1909 | B. Borden | Pipe Threading Tool |
