Drilldown: Patents

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Patents > Inventors

: Bruce Hofer

or Phil Crosby

& Grant date: 1990 - 1999

& Cites

: Patent US 2280531A

or Patent US 3214516A

or Patent US 3293473A

or Patent US 3325673A

or Patent US 3629731A

or Other

or None

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Showing below up to 13 results in range #1 to #13.