| Patents Granted on 1897-05-?? |
Patents 1 -
15
of 64
      |
| Number | Date | Patentee | Title | Type |
| 581,737 | May 04, 1897 | J.P. Kennedy | Pipe Wrench | pipe wrenches |
| 581,770 | May 04, 1897 | M.O. Reeves | Belt | industrial machine pulleys and belt drive mechanisms |
| 581,783 | May 04, 1897 | T. Small | Gas Engine | internal combustion engine valves |
| 581,784 | May 04, 1897 | T. Small | Gas Engine | gas and gasoline engines |
| 581,787 | May 04, 1897 | G. Stickley | Sandpapering-wheel | sanding machines |
| 581,823 | May 04, 1897 | J. Harrison | Adjustable Spanner For Cyclists, & c. | bicycle or pocket wrenches |
| 581,826 | May 04, 1897 | W.H. Knight | Fluid Pressure Engine | external combustion engines |
| 581,905 | May 04, 1897 | E.T. Evans | Ratchet Wrench | ratchet wrenches |
| 581,930 | May 04, 1897 | G. Alderson | Gas Mixer | carburetors |
| 581,938 | May 04, 1897 | W.M. Morton | Inclinometer | inclinometers |
| 581,945 | May 04, 1897 | E. Scott | Implement For Repairing Pneumatic Tires | pliers |
| 581,951 | May 04, 1897 | W.O. Worth | Traction Engine | steam traction engines |
| 582,013 | May 04, 1897 | J. Ellebrecht | Ratchet Wrench | ratchet wrenches |
| 582,032 | May 04, 1897 | D.F. Allerton | Nut Lock | auxiliary wrenches |
| 582,073 | May 04, 1897 | F.S. Mead | Gas or Oil Engine | oil engines |
