| Patents for John H. Shumway |
Patents 1 -
10
of 29
      |
| Picture | Number | Date | Patentee | Title |
 | 51,967 | Jan. 09, 1866 | W. Schollhorn, F.P. Pfleghar | Improvement in Compasses and Calipers |
 | 52,335 | Jan. 30, 1866 | N.C. Stiles | Clutch |
 | 55,704 | Jun. 19, 1866 | A. Pond | Improved Tack-Hammer |
 | 57,934 | Sep. 11, 1866 | E. Lyman | Screw Gage |
 | 61,503 | Jan. 29, 1867 | H.D. Barnes | Improvement in shingle machines |
 | 61,900 | Feb. 05, 1867 | A. Warner | Improvement in hubs for carriage-wheels |
 | 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 |
 | 71,442 | Nov. 26, 1867 | A.B. Bean | Improvement in knife-sharpener |
 | 71,983 | Dec. 10, 1867 | G.H. Coe, G.H. Snow | Improvement in clamps |
