Drilldown: Patents
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Patents > Inventors :
John Addis or
Phil Crosby
& Filing date:
1980
& Cites :
Patent US 3629731A or
Patent US 3796910A or
Patent US 4150420A or
Patent US 4255003A or
Patent US 4322688A or
None
Use the filters below to narrow your results.
Showing below up to 3 results in range #1 to #3.