Granted Patent
Utility
US 4,845,388 · App. 07/145,950
TTL-CMOS input buffer
Inventor:
Matthew J. Amatangelo
Patented Case
View Patent ↗
Granted: Jul 4, 1989
Filed: Jan 20, 1988
Inventor
Matthew J. Amatangelo
Assignee (at issue)
LOCKHEED MARTIN 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.