| Patents Granted on 1881-07-19 |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| RE9,806 | Jul. 19, 1881 | J. Knowlson, Jr. | Rope-drum for windlasses | hoists, winches, come-alongs |
| CA-13,130 | Jul. 19, 1881 | J.A. Mumford | Improvements on churn powers | churns |
| CA-13,138 | Jul. 19, 1881 | C. Powell | The "Boom" pump | hand pumps |
| 244,370 | Jul. 19, 1881 | A. Beaudry | Power-hammer | drop hammers |
| 244,384 | Jul. 19, 1881 | J.W. Douglas | Pump | household hand pumps |
| 244,390 | Jul. 19, 1881 | J. Hilton | Detachable Saw-Handle | saw handles |
| 244,427 | Jul. 19, 1881 | W.L. Bergen | Screw Cutting Device | taps and dies |
| 244,437 | Jul. 19, 1881 | G. Cumming | Riveting-machine | riveting machines |
| 244,438 | Jul. 19, 1881 | C.E. Dodge | Machine and Device for End Shaking Watch Trains | watchmaking machinery |
| 244,439 | Jul. 19, 1881 | J. Vandenburgh, H. Duffey | Hub-boring machine | drilling and boring |
| 244,488 | Jul. 19, 1881 | H.A. Schneekloth | Combined anvil, punch, and shears | metal shearing machines |
| 244,507 | Jul. 19, 1881 | S.A. Woods | Planing-machine | wood planers |
| 244,558 | Jul. 19, 1881 | D.L. Cross | Rotary Steam Engine | rotary steam engines |
| 244,629 | Jul. 19, 1881 | W.F. Leach | Portable steam-auger | wood drilling and boring |
| 244,679 | Jul. 19, 1881 | H.M. Smith | Machine for Threading Thrasher Cylinder Teeth | metal threading machines |
