| Patents for John H. Shumway |
Patents 16 -
27
of 27
      |
| Number | Date | Patentee | Title | Type |
| 89,335 | Apr. 27, 1869 | L.J. Parsons | Improved Tool Adjuster for Lathes | metal lathe accessories and attachments |
| 90,755 | Jun. 01, 1869 | W.A. Ives | Improvement in Auger-Bits | auger bits |
| 92,573 | Jul. 13, 1869 | L.P. Bradley | Improvement in tape-measures | tape measures |
| 98,002 | Dec. 14, 1869 | R. McChesney, D. Wilcox | Improved machine for making carriage-clips | |
| 98,795 | Jan. 11, 1870 | F.P. Pfleghar | Improvement in knob-latches | door and window hardware |
| 100,928 | Mar. 15, 1870 | J. Root | Improved machine for heading bolts | nut or bolt making machines |
| 112,255 | Feb. 28, 1871 | W.A. Ives | Improvement in Methods of Forming Spur Lips of Auger Bits | |
| 114,179 | Apr. 25, 1871 | F.B. Morse | Improvement in Wrenches | quick adjust wrenches |
| 115,541 | May 30, 1871 | J. Swan | Improvement in Augers | auger bits |
| 118,891 | Sep. 12, 1871 | J.A. Wilcox, W.S. Wilcox | Improvement in Pipe Wrench | pipe wrenches |
| 124,486 | Mar. 12, 1872 | J.M. Evarts | Improvement in Corn Huskers | corn huskers |
| 128,821 | Jul. 09, 1872 | H.C. Smith | Improvement in Drawing-Knives | draw knives |
