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| Patents for H. J. Rogers | |||||
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| Number | Date | Patentee | Title | Type | |
| D26,566 | Jan. 26, 1897 | J.W. Raymond | Casing For Engines | ||
| 583,507 | Jun. 01, 1897 | J.W. Raymond | Gas Engine | ignition systems | |
| 583,508 | Jun. 01, 1897 | J.W. Raymond | Gas Engine | carburetors | |