Granted Patent
Utility
US 4,967,920 · App. 07/371,115
Partial tamper band
Inventor:
Randal A. Dahl
Patented Case
View Patent ↗
Granted: Nov 6, 1990
Filed: Jun 26, 1989
Inventor
Randal A. Dahl
Assignee (at issue)
Continental White Cap, Inc.
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.