| All Patents in class 140/147 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 70,529 | Nov. 05, 1867 | B.W. Collier | Improvement in Combined Tool | combination tools |
| 331,386 | Dec. 01, 1885 | G.M. Eames | Method of Straightening Needles, Wire, &c. | drop hammers |
| 429,989 | Jun. 10, 1890 | C.H. Adams | Bending Pliers | pliers |
| 458,115 | Aug. 18, 1891 | E. Thomson | Method of Electric Bending and Straightening | metal bending machines |
| 581,507 | Apr. 27, 1897 | F.S. Bradley | Book-stapling machine | book binder |
| 652,359 | Jun. 26, 1900 | C. Houck, G. Haigh | Weaver's Pliers | pliers |
| 2,226,400 | Dec. 24, 1940 | F.W. Gaines, III | Wire Drawing Machine | wire drawing machines |
| 2,797,799 | Jul. 02, 1957 | W.A. Ehlert | Apparatus for Drawing Wire and Operating Thereon | wire drawing machines |
| 3,343,574 | Sep. 26, 1967 | L.D. Mersek | Wire Straightening Unit | wire straightening machines |
| 3,625,263 | Dec. 07, 1971 | J.F. Kopczynski | Roll bending machine and method | |
| 3,672,411 | Jun. 27, 1972 | J.F. Kopczynski | Straightening machine for elongated workpieces | |
| 3,783,910 | Jan. 08, 1974 | J.F. Kopczynski | Bending machine for straightening elongated workpieces | |
| 3,799,216 | Mar. 26, 1974 | J.F. Kopczynski | Straightening machine for elongated workpieces | |
