| Patents for Charles M. Higgins |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 206,885 | Aug. 13, 1878 | W. Levin | Manufacture of artists' canvas | |
| 206,886 | Aug. 13, 1878 | W. Levin | Painters' canvas | |
| 219,851 | Sep. 23, 1879 | S.C. Ellis | Improvement in journal-boxes | industrial machine bearings |
| 274,135 | Mar. 20, 1883 | C. Morrill | A single coaxial spring uges the jaws apart to receive the bit. | |
| 284,045 | Aug. 28, 1883 | C. Morrill | Joint for Dividers And Calipers | dividers |
| 341,789 | May 11, 1886 | E.J. Becker | Saw-tooth | insertable saw teeth |
| 366,842 | Jul. 19, 1887 | A.G. Johnson | Miter-box | miter boxes |
| 370,952 | Oct. 04, 1887 | F.M. Leavitt | Drop-hammer | drop hammers |