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| Patents for George E. Putnam | |||||
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| Number | Date | Patentee | Title | Type | |
| 190,447 | May 08, 1877 | J. Putnam | Scale Measure | rule graduations | |
| 192,129 | Jun. 19, 1877 | S.W. Putnam | Improvement in metal-working lathes | metal lathes | |
| 313,447 | Mar. 03, 1885 | S.W. Putnam | Lathe | engine lathes | |