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Patents for Joseph Hall Manufacturing Co.
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
34,150Jan. 14, 1862J. LeffelImproved water-wheelturbine water wheels
RE1,791Oct. 11, 1864J. LeffelImprovement in water-wheelsturbine water wheels
RE1,792Oct. 11, 1864J. LeffelImprovement in cases for water-wheelsturbine water wheels
XC-2,396Jun. 28, 1867S.H. CainMotion for vertical saw, or method of giving an upright saw (single or gangs,) the oscillating, reciprocating or whip saw or rocking motionreciprocating sawmills
XC-3,302Jun. 28, 1869S.H. CainImprovements in saw millssawmills
CA-13,359Sep. 02, 1881H. McKenzieImprovements on spark arrestersspark arresters
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