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All Patents in class 417/423.2
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,776,778Sep. 30, 1930A.A. BreuerCombined blower and suction deviceblowers
1,792,570Feb. 17, 1931A.A. BreuerBlackboard-eraser cleaner
1,868,519Jul. 26, 1932A.A. BreuerPortable suction cleanervacuum cleaners
2,172,135Sep. 05, 1939A.A. BreuerSuction cleaner motor constructionvacuum cleaners
2,422,968Jun. 24, 1947J.P. JasonSuction-blower devicevacuum cleaners
4,120,616Oct. 17, 1978N.M. Dwyer, J.A. RasinsVacuum cleaner-blower assembly with sound absorbing arrangementblowers
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