| All Patents in class 140/124 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 360,623 | Apr. 05, 1887 | J.T. Sidén | Tool for Making Spiral Springs | spring making machines |
| 543,100 | Jul. 23, 1895 | J.O. Mitchell | Wire-Working Tool | pliers |
| 861,283 | Jul. 30, 1907 | H.J. Hjorth | Wire Winding Tool | spring winding tools |
| 865,116 | Sep. 03, 1907 | J.L. Moore | Winding-tool for coils | spring winding tools |
| D196,074 | Aug. 20, 1963 | M.T. Collier | Terminal Wiring Tool | |
| 3,670,784 | Jun. 20, 1972 | D.W. Ackerman | Wire Wrapping Tool | |
| 4,205,543 | Jun. 03, 1980 | R.D. Wright | Spring Winder | |
