| Patents for William A. Steel |
Patents 1 -
15
of 35
      |
| Number | Date | Patentee | Title | Type |
| 80,550 | Aug. 04, 1868 | D. Joy | Steam Hammer | steam hammers |
| 84,410 | Nov. 24, 1868 | J.T. Campbell | Improvement in Nut Planers | nut or bolt making machines |
| 86,286 | Jan. 26, 1869 | H. Disston | Improvement in Device for Simultaneously Hardening and Straightening Circular-Saw Blades | tool making machines |
| 94,930 | Sep. 14, 1869 | P. Wenzel | Lathe Rest | metal lathe accessories and attachments |
| 98,821 | Jan. 11, 1870 | J. Watson | Milling Machine | milling machines |
| 100,473 | Mar. 01, 1870 | J. Watson | Lathe | metal lathes |
| D4,255 | Jul. 19, 1870 | E. Rhodes | Design for a Saw | crosscut saw teeth |
| 107,428 | Sep. 13, 1870 | S.P. Wheeler | Improvement in coating embossed wood | wood ornamenting machines |
| 110,405 | Dec. 20, 1870 | C. Van Haagen | Improvement in portable drilling-tools | hand drills |
| 110,406 | Dec. 20, 1870 | C. Van Haagen | Improvement in gear-cutting machines | gear making machines |
| 110,407 | Dec. 20, 1870 | C. Van Haagen | Improvement in grooving-tools | milling machine accessories |
| 112,943 | Mar. 21, 1871 | T.P. Marshall | Improvement in saws with detachable teeth | saw teeth |
| 117,365 | Jul. 25, 1871 | J.G. Baker | Improvement in machines for cutting tobacco | tobacco machinery |
| 120,545 | Oct. 31, 1871 | C.L. Stevens | Improvement in hydro-pneumatic motors | pneumatic motors |
| 124,813 | Mar. 19, 1872 | J. Griffen | Improvement in Planing Machines | metal planers |
