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Patents Granted on 1819-08-??
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
3,122XAug. 19, 1819J.C. BrushImprovement on close and open fire places
3,123XAug. 20, 1819B. WilmerMachine for measuring heights and distances
3,124XAug. 21, 1819R. BuryGlass instead of metallic strings for piano fortesmusic instrument maker
3,125XAug. 21, 1819D. PettiboneCast steel welded to ironblacksmith
3,126XAug. 21, 1819G. FultonGranulating gun powder
3,127XAug. 26, 1819S. DraperImprovement in mail coaches
3,128XAug. 30, 1819G. GeibTeaching Music by Means of a Dumb Instrumentmusical instruments
3,129XAug. 30, 1819C. PommerProducing the swell in musical stringed instrumentsmusic instrument maker
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