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| Patents for Harry M. Cramer | |||||
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| Number | Date | Patentee | Title | Type | |
| 913,701 | Mar. 02, 1909 | H.M. Cramer | Motor Pump | water pumps | |
| 918,286 | Apr. 13, 1909 | H.M. Cramer | Sparker Mechanism for Engines | ignition systems | |
| 918,512 | Apr. 20, 1909 | H.M. Cramer | Sprayer | sprayers | |
| 924,639 | Jun. 15, 1909 | H.M. Cramer | Governor for Explosion Engines | internal combustion engine governors | |
| 924,640 | Jun. 15, 1909 | H.M. Cramer | Explosion Engine | ||