Genzyme Transgenics Corporation

Simon J Rothenberg

Daniel Dewees

John Barnett

Richard Joel Hershman

Brian Alan Wong

William Ehrhart

George Dearlove

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.

Apparatus for controlled delivery of powdered solid materials

Animal exposure chambers are provided which have a radial configuration about an axis of air flow and tapered ports to more comfortably accommodate the animals during exposure.

Head-only animal exposure chambers

Growing community of inventors

North Wales, PA, United States of America

Simon J Rothenberg