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| Patents for Frederick Yeiser | |||||
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| Number | Date | Patentee | Title | Type | |
| 22,913 | Feb. 08, 1859 | F. Yeiser | Instrument for taking altitude of the sun | surveying apparatus | |
| AI247 | Aug. 09, 1859 | F. Yeiser | Measurement of solar altitude | surveying apparatus | |
| AI289 | Jul. 17, 1860 | F. Yeiser | Measurement of solar altitude | surveying apparatus | |