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| Patents for Henrik A. Bertheau | |||||
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| Picture | Number | Date | Patentee | Title | |
| 648,914 | May 08, 1900 | H.A. Bertheau | Vaporizer for Petroleum-Motors | ||
| 655,186 | Aug. 07, 1900 | H.A. Bertheau | Rear-Compression Explosive-Engine | ||