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All Patents in class 396/522
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
631,249Aug. 15, 1899W.F. FolmerMagazine Plate Holderfilm and plate holders
766,835Aug. 09, 1904A.J. MerzPhotographic Plate Holderfilm and plate holders
785,707Mar. 28, 1905F.A. BrownellPhotographic Plate Holderfilm and plate holders
1,431,908Oct. 10, 1922W.F. FolmerCut Film Magazinefilm and plate holders
1,954,917Apr. 17, 1934W.E. BurnellMeans to prevent Double Exposures in Using Plate or Film Holders for Camerasfilm and plate holders
1,954,918Apr. 17, 1934C.H. Roth, W.H. Petit, W.E. BurnellMeans to prevent Double Exposures in Using Plate or Film Holders for Camerasfilm and plate holders
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