Drilldown: Patents
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Patents > Inventors :
Bruce J. Penney or
George Frye
& Grant date:
1990 - 1999
& Cites :
Patent US 2922074A or
Patent US 3312850A or
Patent US 3339088A or
Patent US 3629731A or
None
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Showing below up to 13 results in range #1 to #13.