Drilldown: Patents
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Patents > Inventors
:
Dan Knierim
or
Phil Crosby
& Grant date:
1980 - 1989
& Cites
:
Patent US 2280531A
or
Patent US 2922074A
or
Patent US 4255003A
or
None
& Links
:
7912AD
or
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Showing below up to 11 results in range #1 to #11.