| Patents for J. H. Shumway |
Patents 31 -
45
of 129
      |
| Number | Date | Patentee | Title | Type |
| 135,064 | Jan. 21, 1873 | G.A. Barnes, E.F. Barnes | Metal Turning Lathes | metal lathes |
| 138,139 | Apr. 22, 1873 | W.B. Duckworth | Improvement in clutches for machinery | metalworking machine mechanisms |
| 138,660 | May 06, 1873 | W. Kelsey | Printing Press | |
| 140,081 | Jun. 17, 1873 | W. Schollhorn | Improvement in pencil attachments | dividers |
| 143,154 | Sep. 23, 1873 | M. Hine | Improvement in machines for threading bolts | nut or bolt making machines |
| 144,128 | Oct. 28, 1873 | L. Parmelee | Improvement in chucks | drill chucks |
| 145,837 | Dec. 23, 1873 | C.W. Blakeslee | Tack Pullers | |
| 146,075 | Dec. 30, 1873 | W.F. Arnold, S.H. Jennings | Improvement in Joiners' Gages | marking gauges |
| 147,427 | Feb. 10, 1874 | D.W. Parker | Claw-Hammers | hammers |
| 148,165 | Mar. 03, 1874 | A.B. Bean | Improvement in machinery clutches | industrial machine clutches |
| 149,559 | Apr. 14, 1874 | H.E. Acker | Adjustable Pipe-Wrenches | pipe wrenches |
| 151,178 | May 19, 1874 | J.D. Waite | Improvement in Hollow Augers | hollow bits |
| 151,827 | Jun. 09, 1874 | C.S. Bement | Improvement in Machines for Stamping Carpenters' Squares | |
| 151,907 | Jun. 09, 1874 | C. Parker | Claw-Hammers | hammers |
| 151,909 | Jun. 09, 1874 | E.H. Peck | Joiner's Clamps | clamps |
