| Patents for John H. Shumway |
Patents 1 -
15
of 29
      |
| Number | Date | Patentee | Title | Type |
| 51,967 | Jan. 09, 1866 | W. Schollhorn, F.P. Pfleghar | Improvement in Compasses and Calipers | calipers |
| 52,335 | Jan. 30, 1866 | N.C. Stiles | Clutch | metal punching machines |
| 55,704 | Jun. 19, 1866 | A. Pond | Improved Tack-Hammer | tack hammers |
| 57,934 | Sep. 11, 1866 | E. Lyman | Screw Gage | special purpose gauges |
| 61,503 | Jan. 29, 1867 | H.D. Barnes | Improvement in shingle machines | shingle machines |
| 61,900 | Feb. 05, 1867 | A. Warner | Improvement in hubs for carriage-wheels | wheelwright |
| 67,644 | Aug. 13, 1867 | G. Gilbert, A.N. Allen | Improvement in ironing machines | |
| 71,440 | Nov. 26, 1867 | H.D. Barnes | Improvement in floor-clamps | floor clamps |
| 71,442 | Nov. 26, 1867 | A.B. Bean | Improvement in knife-sharpener | sharpening apparatus |
| 71,983 | Dec. 10, 1867 | G.H. Coe, G.H. Snow | Improvement in clamps | hand screws |
| 75,198 | Mar. 03, 1868 | J. Root | Improved bolt-heading machine | nut or bolt making machines |
| 77,347 | Apr. 28, 1868 | A.B. Bean | Improvement in nut machines | nut or bolt making machines |
| 79,193 | Jun. 23, 1868 | C. Bishop | Shears | |
| 86,605 | Feb. 02, 1869 | I.P. Tice | Improvement in molding-machines | wood shapers |
| 88,214 | Mar. 23, 1869 | J. Root | Improved bolt-heading machine | nut or bolt making machines |
