| Patents for Thomas D. D. Ourand |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 111,099 | Jan. 17, 1871 | B. Walch | Adjustable Spur Auger | adjustable drill bits |
| RE4,279 | Feb. 28, 1871 | P. Estes | Improvement in Steam Engines | steam engines |
| 115,474 | May 30, 1871 | G. Holtzmann | Improvement in oyster-shuckers | |
| 128,388 | Jun. 25, 1872 | J.F. Gyles | Improvement in machines for preparing lumber for building purposes | specialty woodworking machines |
| 131,946 | Oct. 08, 1872 | E. Ford | Improvement in expansive bits | adjustable drill bits |
| 132,337 | Oct. 15, 1872 | H. Vogler | Improvement in pile-sawing attachments for boats | circular saws |
| RE5,238 | Jan. 14, 1873 | B. Walch | Improvement in augers | adjustable drill bits |
| 136,558 | Mar. 04, 1873 | N. Stow | Counter Shears | cloth shearing machines |
| 139,162 | May 20, 1873 | S.M. King | Improvement in shingle-machines | shingle machines |
| 139,594 | Jun. 03, 1873 | J. McGrew | Improvement in machines for cutting hoop-locks | hoop making machines |
