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Patents for Henry Simon
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,299,627Apr. 08, 1919H. SimonRulefolding rules
1,308,815Jul. 08, 1919H. SimonCombination Squaresquares
1,441,950Jan. 09, 1923H. SimonSimore Lightning Changescrewdriver mechanisms
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