Granted Patent
Utility
US 5,311,147 · App. 07/966,486
High impedance output driver stage and method therefor
Inventors:
Thomas D. Petty, Robert L. Vyne
Patented Case
View Patent ↗
Granted: May 10, 1994
Filed: Oct 26, 1992
Inventors
Thomas D. Petty
Robert L. Vyne
Assignee (at issue)
Motorola, 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.