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| Patents for John C. Higdon | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 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 | |