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| Patents for Albert R. Herman | |||||
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| Number | Date | Patentee | Title | Type | |
| 570,649 | Nov. 03, 1896 | R.J. Rolfson | Gas Engine | gas and gasoline engines | |
| 598,025 | Jan. 25, 1898 | S.S. Simrak | Gas Engine | gas and gasoline engines | |