Granted Patent
Utility
US 4,682,702 · App. 06/879,487
Tamper indicating closure
Inventor:
Peter P. Gach
Patented Case
View Patent ↗
Granted: Jul 28, 1987
Filed: Jun 27, 1986
Inventor
Peter P. Gach
Assignee (at issue)
Sunbeam Plastics 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.