| All Patents in class 470/10 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
| | 4,548 | May 30, 1846 | T.W. Harvey | Making Wood Screws |
| | 5,794 | Sep. 19, 1848 | J. Crum | Machine for Making Wood Screws |
| | 311,099 | Jan. 20, 1885 | E.P. Baville | Machine for Threading Screws Bolts and Nuts |
| | 479,175 | Jul. 19, 1892 | C.D. Rogers | Wood Screw and Method of Making the Same |
| | 596,750 | Jan. 04, 1898 | J. Hartness | Screw Cutting Attachment |
 | 679,927 | Aug. 06, 1901 | W.A. Warman | Method of Making Screws |
 | 877,157 | Jan. 21, 1908 | W.G. Allen | Manufacture of wood-screws |
 | 960,244 | Jun. 07, 1910 | W.G. Allen | Manufacture of Screws |
