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Patents for Martin H. Olsen
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
639,293Dec. 19, 1899H. RitterSight Feed Oil Cupoil cups
1,110,879Sep. 15, 1914W.R. BrownCalipersmeasurement gauges
1,157,890Oct. 26, 1915J. MiotkeSaw Sharpening Machinesaw sharpening machines
1,336,754Apr. 13, 1920R. ParmeleeVisepipe and chain vises
1,336,755Apr. 13, 1920R. ParmeleeVisepipe and chain vises
D57,044Feb. 01, 1921C.H. Miller, J.E. HollisonDental Die Devicepliers
1,371,679Mar. 15, 1921J.L. HappySpeed Wrenchself-adjust wrenches
1,527,772Feb. 24, 1925C.M. BairdFireman's Spannerfirehose and hydrant wrenches
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