| Patents for Charles B. Shumway |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 380,727 | Apr. 10, 1888 | W.F. Morton | Machine for compressing tenons | barrel making machines |
| 380,728 | Apr. 10, 1888 | W.F. Morton | Machine for compressing tenons | barrel making machines |
| 404,377 | Jun. 04, 1889 | E.F. Barnes | Convertible machine for grooving and sawing wood | tablesaws |
| 439,373 | Oct. 28, 1890 | E.F. Barnes | Tenoning-machine | tenoning machines |
| 448,195 | Mar. 17, 1891 | E.F. Barnes | Boring attachment for sawing machine | drilling and boring |
| 678,960 | Jul. 23, 1901 | A.W. Johnson, J.P. Lavigne | Pipe Wrench | pipe wrenches |
