Drilldown: Patents
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Patents > Inventors :
Bruce J. Penney or
John Kobbe or
Linley Gumm
& Filing date:
1980 - 1989
& Cites :
Patent US 2922074A or
Patent US 3214631A or
Patent US 3426236A or
Other or
None
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Showing below up to 25 results in range #1 to #25.