Granted Patent
Utility
US 4,816,119 · App. 07/092,952
Process for production of magnetic media
Inventor:
Gary C. Rauch
Patented Case
View Patent ↗
Granted: Mar 28, 1989
Filed: Sep 4, 1987
Inventor
Gary C. Rauch
Assignee (at issue)
Digital Equipment 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.