Granted Patent
Utility
US 5,335,802 · App. 07/942,813
Plastic closure for a container
Inventors:
Ulrich Brach, Klaus Thanisch
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Sep 10, 1992
Inventors
Ulrich Brach
Klaus Thanisch
Assignee (at issue)
CREANOVA AG
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.