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Patents for Philip D. Rollhaus
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
965,617Jul. 26, 1910J.J. WeissRemovable Saw Handlesaw handles
1,070,343Aug. 12, 1913H.F. HoffmannPipe Wrenchpipe wrenches
D44,649Sep. 16, 1913P. AndersenDesign for a Hammer Headhammers
1,083,784Jan. 06, 1914G.L. WilcoxLocking Device for Hand Drillseggbeater drills
1,093,432Apr. 14, 1914L. KalinaCombination-toolcombination tools
1,104,517Jul. 21, 1914J.N. LandauAutomatic multiple-chuck drill-pressmultiple spindle drill presses
1,138,462May 04, 1915J.J. EaganValve Spring Compressorvalve spring tools
1,210,147Dec. 26, 1916E. CederbergDoor-Scriber and Gagescribes
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