| All Patents of Type: thread rolling machines |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 631,159 | Aug. 15, 1899 | F.G. Echols | Machine for Cold Rolling | thread rolling machines |
| 1,406,004 | Feb. 07, 1922 | P.R. Hahnemann | Metal Working Machine | thread rolling machines |
| 2,252,130 | Aug. 12, 1941 | H.N. Anderson, M.W. Lamprecht | Thread rolling head | thread rolling machines |
| 2,418,217 | Apr. 01, 1947 | J.W. Batchelder | Thread Rolling | thread rolling machines |
| 2,624,218 | Jan. 06, 1953 | J.W. Batchelder, R.E. Flanders | Thread Rolling Machine | thread rolling machines |
| 2,967,444 | Jan. 10, 1961 | R.S. Litterst, E.E. Hallberg | Thread Rolling Machines | thread rolling machines |
