Granted Patent
Utility
US 4,752,014 · App. 07/133,652
Tamper-evident child-resistant closure and container with same
Inventors:
Randall F. House, Steven Bernard Juk
Patented Case
View Patent ↗
Granted: Jun 21, 1988
Filed: Dec 16, 1987
Inventors
Randall F. House
Steven Bernard Juk
Assignee (at issue)
Poly-Seal Corporation
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.