Granted Patent
Utility
US 5,554,428 · App. 08/299,836
Memory disk sheet stock and method
Inventors:
Charles W. Bartges, Robert W. Hayland, Jr., Craig J. Jensen, Steven F. Baumann
Patented Case
View Patent ↗
Granted: Sep 10, 1996
Filed: Sep 1, 1994
Inventors
Charles W. Bartges
Robert W. Hayland, Jr.
Craig J. Jensen
Steven F. Baumann
Assignee (at issue)
Aluminum Company of America
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.