| Patents for D. Stewart |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 528,584 | Nov. 06, 1894 | M. Bacon | Dyeing-machine | |
| 553,579 | Jan. 28, 1896 | J. Frye | Combination Tool | combination tools |
| 565,851 | Aug. 11, 1896 | H. Bilgram | Cigarette-machine | tobacco machinery |
| CA-54,773 | Jan. 27, 1897 | M. Wenger | Wrench | quick adjust wrenches |
| 597,000 | Jan. 11, 1898 | C.A. Higbee | Pipe coupling | |
| 618,859 | Feb. 07, 1899 | J. Gardiner | Wrench | screw adjust wrenches |
| 618,899 | Feb. 07, 1899 | W.M. Norcross | Wrench | quick adjust wrenches |
| 658,085 | Sep. 18, 1900 | C.A. Higbee | Screw-coupling | industrial machine shaft couplings |
| 658,086 | Sep. 18, 1900 | C.A. Higbee | Screw-coupling | industrial machine shaft couplings |
| 658,087 | Sep. 18, 1900 | C.A. Higbee | Pipe coupling | |
| RE13,502 | Dec. 31, 1912 | H. Bilgram | Gear-cutting machine | gear making machines |