| Patents Granted on 1881-09-13 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| CA-13,393 | Sep. 13, 1881 | T. Hall | Improvements on type writing machines | typewriters |
| 246,858 | Sep. 13, 1881 | J. Aitchison | Relief Valve for Steam Engines | steam engines |
| 246,868 | Sep. 13, 1881 | L.T. Cornell | Cartridge Capping and Uncapping Implement | |
| 246,903 | Sep. 13, 1881 | T.G. Morse | Metal Turning Lathe | metal lathes |
| 246,904 | Sep. 13, 1881 | O. Peck | Bit-stock | brace chucks |
| 246,933 | Sep. 13, 1881 | S.L. Worsley | Machine for Feeding Screw Blanks | metal threading machines |
| 246,952 | Sep. 13, 1881 | B. Holly | Steam Pressure Regulator | steam heating |
| 246,976 | Sep. 13, 1881 | J.F. Phillips | Pipe Wrench | pipe wrenches |
| 247,003 | Sep. 13, 1881 | J.H. Beidler | Coffee Roaster | coffee roasters |
| 247,004 | Sep. 13, 1881 | J.B. Benedict | Axle Straightener | wagon maker |
| 247,035 | Sep. 13, 1881 | C. Gage | Drill Chuck | drill press chucks |
| 247,062 | Sep. 13, 1881 | W.A. Ives | auger-handle | auger handles |
| 247,131 | Sep. 13, 1881 | S. Strunz | Belt Shipper | industrial machine pulleys and belt drive mechanisms |
