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All Patents in class 140/124 | |||||
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 | |
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 |