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Patents for Second National Bank of Baltimore
Patents 1 - 2 of 2
First set of recordsLast set of records
D57,576Apr. 26, 1921S.D. Black, A.G. DeckerDesign for a portable electric toolhandheld drills
D57,812May 10, 1921S.D. Black, A.G. DeckerDesign for a housing for electric air compressors and motorsair compressors
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