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Patents for William F. Folmer
Patents 91 - 105 of 109
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NumberDatePatenteeTitleType
1,485,603Mar. 04, 1924W.F. FolmerAviator's Cameracameras
1,536,335May 05, 1925W.F. FolmerAir Pressure Film Holder for Aviation Camerasfilm and plate holders
1,544,970Jul. 07, 1925W.F. FolmerLatch, Multiplying Back for Camerascamera accessories
1,617,900Feb. 15, 1927W.F. FolmerGrocery Boxfood containers
1,631,479Jun. 07, 1927W.F. FolmerCut Film Holdersfilm and plate holders
1,641,420Sep. 06, 1927W.F. FolmerCut Film Holderfilm and plate holders
1,650,702Nov. 29, 1927W.F. FolmerWind Propelled Deviceair motors and turbines
1,681,700Aug. 21, 1928W.F. FolmerCartonfood containers
D85,817Dec. 22, 1931H.L. Chapin, W.F. FolmerElectric Lamp and High Tension Insect Destoyerinsect exterminators
1,848,614Mar. 08, 1932H.L. Chapin, W.F. FolmerElectrical Insect Exterminatorinsect exterminators
1,852,923Apr. 05, 1932H.L. Chapin, W.F. FolmerElectric Insect Exterminatorinsect exterminators
1,863,368Jun. 14, 1932W.F. FolmerFolding Table for Automobilesautomobile accessories
1,936,468Nov. 21, 1933H.L. Chapin, W.F. FolmerInsect Exterminatorinsect exterminators
1,960,084May 22, 1934H.L. Chapin, W.F. FolmerElectrical Insect Exterminatorinsect exterminators
1,962,439Jun. 12, 1934H.L. Chapin, W.F. FolmerInsect Exterminatorinsect exterminators
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