Granted Patent
Utility
US 5,235,617 · App. 07/713,153
Transmission media driving system
Inventor:
William C. Mallard, Jr.
Patented Case
View Patent ↗
Granted: Aug 10, 1993
Filed: Jun 11, 1991
Inventor
William C. Mallard, Jr.
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.