| Patents Granted on 1872-05-?? |
Patents 1 -
15
of 80
      |
| Number | Date | Patentee | Title | Type |
| GB-187,201,341 | May 03, 1872 | A.P. Stephens | Improvements in vices for machinists and others | machinist vises |
| CA-1,446 | May 04, 1872 | I. Fréchette | Improvement in shingle sawing machines | shingle machines |
| CA-1,455 | May 04, 1872 | J.S. Armstrong | The Acadia Screw and Driver | screwdrivers |
| 126,381 | May 07, 1872 | G.B. Durkee | Improvement in planing-machines | wood planers |
| 126,383 | May 07, 1872 | C.E. Emery | Improvement in Compound Steam Engines | compound steam engines |
| 126,394 | May 07, 1872 | J.F. Carter, F.A. Huntington | Improvement in baling-presses | cotton presses |
| 126,395 | May 07, 1872 | W.A. Ives | Improvement in bit-braces | brace chucks |
| 126,407 | May 07, 1872 | T.P. Marshall | Improvement in saws | saw teeth |
| 126,423 | May 07, 1872 | W.X. Stevens | Improvement in Nippers | nippers |
| 126,425 | May 07, 1872 | S.L. Thompson | Improvement in Hand-Clamps | hand screws |
| 126,446 | May 07, 1872 | J.W. Cochran | Improvement in breech-loading fire-arms | firearms |
| 126,474 | May 07, 1872 | A.C. Meyn | Improvment in Glove for Husking Corn | miller |
| 126,506 | May 07, 1872 | W.C. Westerfield | Improvement in Pipe-Wrenches | pipe wrenches |
| 126,519 | May 07, 1872 | O.R. Chaplin | Benchplane with Perforated Sole | bench planes |
| 126,522 | May 07, 1872 | W.E. Cooper | Improvement in Devices for Boring Spherical Seats | drilling and boring tool holders |
