| Patents Granted on 1873-04-08 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| CA-2,233 | Apr. 08, 1873 | G.H. Copping | Lozenge machine | |
| CA-2,239 | Apr. 08, 1873 | I. Fréchette | Improvement in shingle mill | shingle machines |
| 137,581 | Apr. 08, 1873 | S. Wheeler | Improvement in sawing-machines | drag saws |
| 137,583 | Apr. 08, 1873 | B.D. Whitney | Improvement in band sawing-machines | bandsaw guides |
| 137,593 | Apr. 08, 1873 | W.W. Carey | Improvement in hangers for shafting | industrial machine shaft hangers |
| 137,607 | Apr. 08, 1873 | C.E. Grandy | Improvement in Saw-sets | saw sets |
| 137,626 | Apr. 08, 1873 | C.H. Smith | Improvement in sawing-machines | firewood machines |
| 137,631 | Apr. 08, 1873 | C.M. Spencer | Improvement in machines for turning heads of bobbins | wood lathes |
| 137,717 | Apr. 08, 1873 | T.T. Prosser, G.C. Morgan | Improvement in pipe-joints | |
