All Patents of Type: spring making machines |
Patents 1 -
11
of 11
|
Number | Date | Patentee | Title | Type |
16,793 | Mar. 10, 1857 | P.G. Gardiner | Machine for Coiling Steel Springs | spring making machines |
75,405 | Mar. 10, 1868 | D. Ward, J. Freeland | Machine for Coiling Springs | spring making machines |
360,623 | Apr. 05, 1887 | J.T. Sidén | Tool for Making Spiral Springs | spring making machines |
462,647 | Nov. 03, 1891 | J.E. Bidwell | Spring Bending and Fitting Machine | spring making machines |
493,294 | Mar. 14, 1893 | H.E. Procunier | Apparatus for Edging Metal Ribbons or Stripes | spring making machines |
531,673 | Jan. 01, 1895 | T.R. Almond | Wire Coiling Device | spring making machines |
562,529 | Jun. 23, 1896 | C.A. Hällgren | Machine for Making Spiral Wire Springs | spring making machines |
1,496,559 | Jun. 03, 1924 | F.H. Sleeper | Machine for finishing springs | spring making machines |
1,507,007 | Sep. 02, 1924 | F.H. Sleeper | Wire-forming machine | spring making machines |
2,632,482 | Mar. 24, 1953 | J.C. Lincoln | Apparatus for Bending Sinuous Wire Strips into Springs | spring making machines |
2,783,782 | Mar. 05, 1957 | S.G. Blumensaadt, J.C. Lincoln | Wire Bending Machine | spring making machines |