Genzyme Transgenics Corporation

Brian Alan Wong

Simon J Rothenberg

Richard Joel Hershman

Apparatus and methods for accurate delivery of relatively small quantities of powdered solid materials. Preferred apparatus comprise: a primary chamber having a lateral surface extending between a first open end and a second open end; a rotating member that is positioned within the primary chamber and extends from a first position within the primary chamber to a second position within the primary chamber; a motor coupled with the rotating member and adapted to effect rotation thereof; a feed chamber having a lateral surface extending between a first open end and a second open end; and an air flow chamber coupled with the primary chamber and having a lateral surface extending between a first open end and a second open end.

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Cary, NC, United States of America

Brian Alan Wong