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Patents Granted on 1971-12-28
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
3,629,910Dec. 28, 1971C.C. Hsiao, R.C. KirbergHandle Assembly for Picture Projection Screenaudio-visual apparatus
3,630,244Dec. 28, 1971T.E. Clyce, J.Y. CromeensSaw apparatus with laterally adjustable sawscircular saws
3,630,359Dec. 28, 1971H.M. Harper, P. PanMultiple-Drum Interceptorsewage treatment apparatus
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