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Patents Granted on 1981-01-??
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
4,242,926Jan. 06, 1981N.T. AntonDevice for sharpening saw chainschainsaw sharpeners
GB-2,051,630Jan. 21, 1981J. HarmanIndexing Mechanism for a Machine Toolindexers and dividers
4,246,811Jan. 27, 1981F.L. Heim, J.R. BondhusBall head polygonal wrenchwrenches
4,246,943Jan. 27, 1981G.L. CroomeensInfeed assembly for random length end shaping machinesjoint making machines
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