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| Patents for John S. Klein | |||||
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| Number | Date | Patentee | Title | Type | |
| 240,067 | Apr. 12, 1881 | D. Worden | Pipe Tongs | pipe tongs | |
| 250,029 | Nov. 22, 1881 | D. Worden | Pipe Tongs | pipe tongs | |
| 613,284 | Nov. 01, 1898 | J.S. Klein | Supply Controlling Mechanism for Gas Engines | internal combustion engine governors | |
| 615,393 | Dec. 06, 1898 | J.S. Klein | Supply Controlling Mechanism for Gas Engines | internal combustion engine governors | |