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| Patents for Henry K. Shanck | |||||
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| Picture | Number | Date | Patentee | Title | |
| 376,212 | Jan. 10, 1888 | H.K. Shanck | Gas Engine | ||
| 390,710 | Oct. 09, 1888 | H.K. Shanck | Gas Engine | ||
| CA-32,546 | Oct. 19, 1889 | H.K. Shanck | Electrical Spark Producer | ||
| 439,200 | Oct. 28, 1890 | H.K. Shanck | Gas Engine | ||