Granted Patent
Utility
US 6,203,867 · App. 08/908,108
Product package having reliable openability
Inventors:
William J. Derkach, Robert F. Hawkins, Bruce Kinsman
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Aug 11, 1997
Inventors
William J. Derkach
Robert F. Hawkins
Bruce Kinsman
Assignees (at issue)
Recot Inc.
Bryce 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.