Drilldown: Patents
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Patents > Inventors:
Alfred H. Schamel 
& Grant date:
1970 - 1979
& Cites :
Patent US 2922074A or
None
& Grant date:
1970 - 1979
& Cites :
Patent US 2922074A or
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Showing below up to 1 result in range #1 to #1.