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| Patents for L. E. Redstone | |||||
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| Number | Date | Patentee | Title | Type | |
| 320,285 | Jun. 16, 1885 | D.S. Regan | Electric Igniter Device for Gas Engines | ignition systems | |
| 333,336 | Dec. 29, 1885 | D.S. Regan | Gas Engine | gas and gasoline engines | |