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| Patents for Joseph Kohler | |||||
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| Number | Date | Patentee | Title | Type | |
| 175,169 | Mar. 21, 1876 | J. Kohler, H.F. Roehrs | Pile-Drivers | pile drivers | |
| 522,471 | Jul. 03, 1894 | J. Kohler | Combination Tool For Pipe Fitting | pipe tongs | |
| 794,989 | Jul. 18, 1905 | J. Kohler | Machine for Trimming Concrete Conduits | tube cutting machines | |