| Patents Granted on 1897-05-11 |
Patents 1 -
15
of 22
      |
| Number | Date | Patentee | Title | Type |
| 582,201 | May 11, 1897 | E.E. Harris | Wrench | wedge adjust wrenches |
| 582,225 | May 11, 1897 | V.F. Prentice | Mandrel | mandrels and arbors |
| 582,231 | May 11, 1897 | F.M. Rites | Governor for Fluid Pressure Engines | external combustion engines |
| 582,232 | May 11, 1897 | F.M. Rites | Pressure Engine | external combustion engines |
| 582,238 | May 11, 1897 | F. Schrader | Adjustable Spanner-Wrench | wrench combination tools |
| 582,271 | May 11, 1897 | H.T. Dawson | Oil or Gas Engine | internal combustion engines |
| 582,299 | May 11, 1897 | J. Mohs | Box Making Machine | cardboard box making machines |
| 582,317 | May 11, 1897 | G.G. Schroeder | Traction Engine | traction engine steering apparatus |
| 582,341 | May 11, 1897 | P.H. Campbell | Wrench | pipe wrenches |
| 582,349 | May 11, 1897 | S. Gasser | Wrench | pipe and nut combination wrenches |
| 582,388 | May 11, 1897 | J.B. Chase | Improvements in Grooving and Tonguing Machines | joint making machines |
| 582,413 | May 11, 1897 | S.B. Davis | Bit-stock | |
| 582,472 | May 11, 1897 | P. Hesse | Means for Producing Tubes by Rolling | tube making machines |
| 582,517 | May 11, 1897 | S.H. Bellows | Shaft Level | machinist levels |
| 582,530 | May 11, 1897 | S.W. Hyatt | Crank Fastening For Bicycles | auxiliary wrenches |
