Granted Patent
Utility
US 4,411,656 · App. 06/343,886
Compressible syringe
Inventor:
Walter G. Cornett, III
Patented Case
View Patent ↗
Granted: Oct 25, 1983
Filed: Jan 29, 1982
Inventor
Walter G. Cornett, III
Assignee (at issue)
Urologic & Enteric Research Associates
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.