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Patents for Alamo Iron Works
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,372,816Mar. 29, 1921J.H. HolmgreenBending Machine and Method of Bendingmetal bending machines
1,465,733Aug. 21, 1923J.H. HolmgreenBending Machinemetal bending machines
1,502,633Jul. 22, 1924J.H. HolmgreenStop Mechanism for Bending Machinesmetal bending machines
1,679,825Aug. 07, 1928R.J. Holmgreen, J.H. HolmgreenRotary Well Drilling Machinewell drilling machines
1,819,417Aug. 18, 1931J.H. HolmgreenJoint Packingpacking for joints
3,777,527Dec. 11, 1973J.H. LohmanJig for setting the resistance Stops in a Rotary Bending Machinemetal bending machines
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