| All Patents in class 72/103 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 91,965 | Jun. 29, 1869 | T.T. Prosser | Improved machine for forming threads on screws | |
| 365,621 | Jun. 28, 1887 | H.A. Nettleton | Mechanism for Forming Threads | taps and dies |
| 389,208 | Sep. 11, 1888 | P. Eley | Cap Threading Machine | metal threading machines |
| 434,060 | Aug. 12, 1890 | C.D. Wainwright, J.S. Hansen | Machine for Corrugating Tubes | tube corrugating machines |
| 1,040,485 | Oct. 08, 1912 | A.H. Adams | Thread-rolling machine | |
| 1,719,230 | Jul. 02, 1929 | C.D. McDonald | Thread-rolling machine | |
