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All Patents of Type: tube cleaning machines
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,110,319Sep. 15, 1914A.F. FroussardTube Cleanertube cleaning machines
1,161,122Nov. 23, 1915A.F. FroussardTube Cleanertube cleaning machines
1,221,984Apr. 10, 1917A.F. FroussardTube Cleanertube cleaning machines
1,367,314Feb. 01, 1921A.F. FroussardTube Cleanertube cleaning machines
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