Granted Patent
Utility
US 4,631,056 · App. 06/630,174
Tamper discouraging system
Inventor:
John F. Dye
Patented Case
View Patent ↗
Granted: Dec 23, 1986
Filed: Jul 12, 1984
Inventor
John F. Dye
Assignee (at issue)
The Kendall Company LP
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.