Granted Patent
Utility
US 4,524,399 · App. 06/384,428
Magnetic disk memory power supply
Inventor:
David B. Jepsen
Patented Case
View Patent ↗
Granted: Jun 18, 1985
Filed: Jun 2, 1982
Inventor
David B. Jepsen
Assignee (at issue)
Tandon Group Ltd.
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.