| Patents for Putnam Machine Co. |
Patents 1 -
10
of 15
      |
| Picture | Number | Date | Patentee | Title |
 | 15,309 | Jul. 08, 1856 | J. Tyler | Improved water-wheel |
 | 35,853 | Jul. 08, 1862 | C. Burleigh | Friction Clutch |
 | 39,326 | Jul. 21, 1863 | S.W. Putnam, J.Q. Wright | Improvement in lathes |
 | 57,046 | Aug. 07, 1866 | S.W. Putnam | Improvement in sawing-machines |
 | 61,141 | Jan. 15, 1867 | L.D. Bartlett | Improvement in valves of steam engines |
 | 70,862 | Nov. 12, 1867 | J. Kirkley | Improved nut-tapping machines |
 | 115,451 | May 30, 1871 | J.N. Durrell | Improvement in machines for tapping nuts |
 | 142,511 | Sep. 02, 1873 | S.W. Putnam, Jr. | Improvement in machines for tapping nuts |
 | 172,306 | Jan. 18, 1876 | W. Esty | Planer-Chucks |
 | 177,884 | May 23, 1876 | S.W. Putnam, Jr. | Improvement in metal-turning lathes |
