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| Patents for E. A. Brandau | |||||
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| Number | Date | Patentee | Title | Type | |
| 491,855 | Feb. 14, 1893 | J.W. Raymond | Gas Engine | gas and gasoline engines | |
| 502,820 | Aug. 08, 1893 | B. Jackson | Traction Engine | steam traction engines | |
| 509,096 | Nov. 21, 1893 | C.W. Preston | Caliper for Measuring Distances | surface gauges | |
| 521,551 | Jun. 19, 1894 | J.W. Raymond | Apparatus for Starting Gas Engines | starters | |