Granted Patent
Utility
US 5,051,978 · App. 06/445,554
Coated media for optical recording
Inventors:
Thomas Mayer, James D. Rancourt, Norman L. Boling
Patented Case
View Patent ↗
Granted: Sep 24, 1991
Filed: Nov 30, 1982
Inventors
Thomas Mayer
James D. Rancourt
Norman L. Boling
Assignee (at issue)
Burroughs, 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.