| Patents for John C. Higdon |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
 | 429,950 | Jun. 10, 1890 | H.E. Piggott | Wire Nail Machine |
 | 511,205 | Dec. 19, 1893 | E. Judd | Feed mechanism for woodworking machines |
 | 539,648 | May 21, 1895 | J.R. Schelosky | Woodworking-machine |
 | 548,104 | Oct. 15, 1895 | W.S. Westfall | Miter-box |
 | 733,149 | Jul. 07, 1903 | P.E. Chapman | Method of changing the frequency of single-phase induction-motors |
 | 747,735 | Dec. 22, 1903 | P.J. Lawrence | Coping-Saw |
 | 822,186 | May 29, 1906 | P.E. Chapman | Elevator safety-alarm |
 | 974,240 | Nov. 01, 1910 | J.M. Darr | Woodworker's press for glued work |
