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Patents for Wm. Gardam & Son
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
123,886Feb. 20, 1872W. Gardam, J. GardamImprovement in drilling-machinesdrilling and boring
682,585Sep. 10, 1901J.W. Gardam, H.D. CotterDipping-needle compass
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