Drilldown: Patents
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Patents > Inventors :
Art Metz or
Les Larson or
Linley Gumm
& Filing date:
1970 - 1979
& Grant date:
1976
& Cites :
Patent US 3215948A or
Patent US 3796910A or
Patent US 4146844A or
Patent US 4150420A or
None
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