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Patents Granted on 1921-05-10
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
D57,812May 10, 1921S.D. Black, A.G. DeckerDesign for a housing for electric air compressors and motorsair compressors
1,377,178May 10, 1921A.G. AndreeWrenchbasin wrenches
1,377,202May 10, 1921H.B. KeiperCombined vise, blower, forge, drill, and grindervises
1,377,772May 10, 1921A.B. HeimbachWrenchquick adjust wrenches
1,377,945May 10, 1921E. UlvenWeather-Board Gageclapboard markers
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