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Charles Sperry
Charles R Sperry, Vincent A Piucci Jr, Todd A Hanna: Dispensing system, components of a dispensing system, and method of manufacturing, operating and servicing a dispensing system and components thereof. Carpenter Co, Smith Gambrell & Russell Beveridge DeGrandi Weilacher & Young, October 12, 1999: US05964378 (23 worldwide citation)

Mixing chamber assembly having a reciprocating rod within a mixing chamber of a mixing chamber member. The rod is in a non-interference position with the mixing chamber over its entire length within the mixing chamber. The non-interference fit provides continuous solvent flow about the exterior of t ...


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Charles Sperry
Charles R Sperry, Vincent A Piucci Jr, Todd A Hanna: Dispensing system, components of a dispensing system, and method of manufacturing, operating and servicing a dispensing system and components thereof. Carpenter Co, Smith Gambrell & Russell, December 7, 1999: US05996848 (21 worldwide citation)

A mixing chamber assembly which has a reciprocating rod received within a mixing chamber of a mixing chamber member. The reciprocating rod is in a non-interference position with the mixing chamber over its entire length within the mixing chamber. The non-interference fit provides for continuous solv ...


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Sperry Charles R, Piucci Vincent A Jr, Hanna Todd: Dispensing system, components of a dispensing system, and method of manufacturing, operating and servicing a dispensing system and components thereof. Carpenter Company, Sperry Charles R, Piucci Vincent A Jr, Hanna Todd, DEGRANDI Joseph A, February 11, 1999: WO/1999/006196

A mixing chamber assembly which has a reciprocating rod (270) received within a mixing chamber of a mixing chamber member (28). The reciprocating rod (270) is in a non-interference position with the mixing chamber over its entire length within the mixing chamber. The non-interference fit provides fo ...