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Patents for Edwin H. Brown
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
365,739Jun. 28, 1887W.F. FolmerLamp Burner
434,608Aug. 19, 1890A.H. Roovers, A.W. RooversCoin controlled strength testing machine
491,971Feb. 14, 1893W.W. Roovers, P.G. WilliamsCoin controlled dice throwing machine
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