Drilldown: Patents
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Patents > Grant date:
1980 - 1989
& Cites :
Patent US 2280531A or
Patent US 3011129A or
Patent US 3312850A or
Patent US 3753170A or
Patent US 4150420A or
Other
Use the filters below to narrow your results.
Showing below up to 45 results in range #1 to #45.