| Patents Granted on 1873-04-15 |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 137,756 | Apr. 15, 1873 | J. Begbie | Improvement in saw-sets | saw sets |
| 137,758 | Apr. 15, 1873 | O.W. Brock | Improvement in sawing-machines | drag saws |
| 137,765 | Apr. 15, 1873 | R. Dudgeon | Improvement in hydraulic jacks | hydraulic jacks |
| 137,769 | Apr. 15, 1873 | H.E. Forrest | Machines for Turning Carriage Axles | axle lathes |
| 137,771 | Apr. 15, 1873 | C.L. Owens, G.W. Gash | Corn Husking Thimbles | thimble making machines |
| 137,803 | Apr. 15, 1873 | L.S. Starrett | Meat or Fruit Press | meat or fruit press |
| 137,830 | Apr. 15, 1873 | T. Cullen | Improvement in dovetailing-machines | dovetailing machines |
| 137,837 | Apr. 15, 1873 | H. Grubenbecher | Improvement in carving-machines | carving machines |
| 137,839 | Apr. 15, 1873 | J. Hart | Coffee Roasters | coffee roasters |
| 137,861 | Apr. 15, 1873 | D. Perrin | Improvement in cutters for tonguing and grooving lumber | cutterheads |
| 137,875 | Apr. 15, 1873 | L. Sterne, J.T. Oakley, J.A. Jaques | Magnetic Chucks for Lathes and Planers | metal lathe chucks |
| 137,908 | Apr. 15, 1873 | D. Frank | Improvements in Monkey-Wrenches | quick adjust wrenches |
| 137,910 | Apr. 15, 1873 | P.L. Gibbs | Improvement in Railroad Track Wrenches | socket wrenches |
| 137,970 | Apr. 15, 1873 | M. Stephens | Improvement in cement-lined pipes | pipes |
