Drilldown: Patents
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Patents > Inventors :
John Kobbe or
Linley Gumm or
Phil Crosby or
Val Garuts
& Grant date:
1970 - 1979
& Cites :
Patent US 3214631A or
Patent US 3312850A or
Patent US 3325673A or
Patent US 4150420A or
None
Use the filters below to narrow your results.
Showing below up to 11 results in range #1 to #11.