Granted Patent
Utility
US 3,950,917 · App. 05/613,321
Method of opening a double screw cap system for sterile medical container
Inventors:
Pradip V. Choksi, Roy B. Steidley
Patented Case
View Patent ↗
Granted: Apr 20, 1976
Filed: Sep 15, 1975
Inventors
Pradip V. Choksi
Roy B. Steidley
Assignee (at issue)
American Hospital Supply Corp.
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.