Granted Patent
Utility
US 4,522,846 · App. 06/588,178
Spiral-coated media for optical recording
Inventors:
Thomas Mayer, Norman L. Boling, James D. Rancourt
Patented Case
View Patent ↗
Granted: Jun 11, 1985
Filed: Mar 12, 1984
Inventors
Thomas Mayer
Norman L. Boling
James D. Rancourt
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.