| Patents for A. D. Harrison |
Patents 16 -
30
of 36
      |
| Number | Date | Patentee | Title | Type |
| 486,616 | Nov. 22, 1892 | J. Monto | Pliers | pliers |
| CA-41,437 | Dec. 30, 1892 | D.R. Porter | Wrench | pipe wrenches |
| 495,607 | Apr. 18, 1893 | G.F. Barney | Mallet | mallets |
| 524,691 | Aug. 14, 1894 | J.B. McLane | Metal-punching machine | metal punching machines |
| 541,262 | Jun. 18, 1895 | J. Boyle | Machine for buffing or shaving hides or skins | leatherworker |
| 549,745 | Nov. 12, 1895 | R.S. Whittier, D.R. Porter | Two-Foot Rule | folding rule joints |
| 551,967 | Dec. 24, 1895 | C.M. Horton | Raisin Seeder | fruit pitters |
| 566,725 | Aug. 25, 1896 | T.E. Cherry | Chuck | metal lathe chucks |
| 569,226 | Oct. 13, 1896 | J.B. McLane | Metal-shearing machine | metalworking machines |
| 577,451 | Feb. 23, 1897 | E.A. Rich | Tire Bolt Wrench | tire bolt wrenches |
| 579,748 | Mar. 30, 1897 | T. Haley | Hose-Strap and Spanner | firehose and hydrant wrenches |
| CA-56,225 | Jun. 10, 1897 | D.R. Porter | Pipe-Wrench | |
| 590,387 | Sep. 21, 1897 | E. Childs | Lathe | turret lathes |
| 595,562 | Dec. 14, 1897 | E.J. Flather | Change Gear Lathe | metal lathes |
| 610,021 | Aug. 30, 1898 | C.V. Bogart | Centering Gage | center marking gauges |
