Drilldown: Patents
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Patents > Inventors :
Bruce J. Penney or
John Kobbe or
Linley Gumm or
Phil Crosby
& Grant date:
1990 - 1999
& Cites :
Patent GB 460562A or
Patent US 3293474A or
Patent US 3740539A or
Patent US 4150420A or
None
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Showing below up to 30 results in range #1 to #30.