| Patents for A. M. Pierce |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 231,181 | Aug. 17, 1880 | M.G. Lewis | Pipe-grip | pipe and chain vises |
| 291,193 | Jan. 01, 1884 | S.H. Jenkins | Bung Bush Wrench | wrenches |
| 302,315 | Jul. 22, 1884 | C.L. Bellamy | Lever-Locked Marking Gage | marking gauges |
| 425,728 | Apr. 15, 1890 | C.L. Bellamy | Carriage Jack | axle nut wrench combination tools |
| 443,862 | Dec. 30, 1890 | J.H. Mitchell | Continuous dough-sheeting machine | baker |
| 451,686 | May 05, 1891 | C.L. Bellamy | Carriage-Jack | axle nut wrench combination tools |
| 452,410 | May 19, 1891 | A. Hitt | Wrench | pipe and nut combination wrenches |
| 464,659 | Dec. 08, 1891 | A.E. Brion | Tap Wrench | tap wrenches and die stocks |
| 466,854 | Jan. 12, 1892 | J.H. Mitchell | Duplex dough-sheeting machine | baker |
| 489,973 | Jan. 17, 1893 | J.H. Mitchell | Dough-machine | baker |
