Granted Patent
Utility
US 4,666,063 · App. 06/768,847
Container with twist-off tamper evident feature
Inventors:
George H. Holoubek, Eugene M. Anthony, Allan B. Hans
Patented Case
View Patent ↗
Granted: May 19, 1987
Filed: Aug 23, 1985
Inventors
George H. Holoubek
Eugene M. Anthony
Allan B. Hans
Assignee (at issue)
Wheeling Stamping Company
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.