| Patents for Salmon W. Putnam Jr. |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
| | 90,781 | Jun. 01, 1869 | S.W. Putnam, Jr. | Shaft Bearing |
 | 111,248 | Jan. 24, 1871 | S.W. Putnam, Jr. | Improvement in machines for cutting screw-threads on bolts |
| | 112,737 | Mar. 14, 1871 | S.W. Putnam, Jr. | Improvement in Machines for Slotting and Cutting Metal |
 | D6,764 | Jul. 08, 1873 | S.W. Putnam, Jr. | Design for frame of bolt-threading machines |
 | 140,727 | Jul. 08, 1873 | S.W. Putnam, Jr. | Improvement in nut-tapping machines |
 | 142,511 | Sep. 02, 1873 | S.W. Putnam, Jr. | Improvement in machines for tapping nuts |
 | 177,884 | May 23, 1876 | S.W. Putnam, Jr. | Improvement in metal-turning lathes |
 | 638,274 | Dec. 05, 1899 | S.W. Putnam, S.W. Putnam, Jr. | Metal-working machine |
