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Patents for Henry E. Roeder
Patents 16 - 22 of 22
First set of recordsPrevious set of recordsLast set of records
NumberDatePatenteeTitleType
76,580Apr. 14, 1868J.F. AllenImprovement in steam-generatorstationary boilers
76,581Apr. 14, 1868J.F. AllenImprovement in decarbonizing ironfoundryman
131,549Sep. 24, 1872A. LachappelleImprovement in circular-saw tablestablesaws
236,692Jan. 18, 1881S.B. PeakmanScrew-Driverscrewdrivers
CA-12,302Feb. 01, 1881F. BrownImprovement on fog signalsnautical fog signals
306,375Oct. 14, 1884J.F. AllenPortable drilling-machineportable metal boring and drilling machines
347,942Aug. 24, 1886D. LearyMandrel for circular sawscircular saws
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