Granted Patent
Utility
US 4,586,622 · App. 06/631,380
Tamper-resistant pharmaceutical vial and cap assembly
Inventor:
Diann Walldorf
Patented Case
View Patent ↗
Granted: May 6, 1986
Filed: Jul 16, 1984
Inventor
Diann Walldorf
Assignee (at issue)
Affiliated Hospital Products, Inc.
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.