| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Henry O. Putnam | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 133,483 | Nov. 26, 1872 | C.F. Putnam, Administrator, S.W. Putnam, Estate of (deceased) | Lathes for Turning Metal | metal lathes | |
| 140,727 | Jul. 08, 1873 | S.W. Putnam, Jr. | Improvement in nut-tapping machines | nut or bolt making machines | |
| 177,884 | May 23, 1876 | S.W. Putnam, Jr. | Improvement in metal-turning lathes | metal lathe accessories and attachments | |
| D11,221 | Jun. 03, 1879 | S.W. Putnam | Design for metal-drilling machines | drill presses | |