Drilldown: Patents
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Patents > Inventors :
Agoston Agoston or
George Frye or
Heinz Erwin Grellmann or
Phil Crosby or
Val Garuts
& Filing date:
1980 - 1989
& Cites :
Patent US 2280531A or
Patent US 3558930A or
Patent US 3689752A or
Patent US 3740539A or
None
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Showing below up to 45 results in range #1 to #45.