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Patents Granted on 1971-09-20
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
3,606,177Sep. 20, 1971J.J. Denovan, D.K. AlexanderWood pulp grinderwood grinding machines
3,606,455Sep. 20, 1971A.G. CarterSafety harness
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