Becton-Dickinson Sana-Lok syringe with two nozzles, based on patent issued to George N. Hein of San Francisco.
Ref: George N. Hein, “Reflex Bulb Syringe,” U.S. Patent 2,072,366 (March 2, 1937).
Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.