Granted Patent
Utility
US 4,871,929 · App. 07/215,978
ECL logic gate
Inventors:
Roger L. Hollstein, M. Ngheim Phan
Patented Case
View Patent ↗
Granted: Oct 3, 1989
Filed: Jul 7, 1988
Inventors
Roger L. Hollstein
M. Ngheim Phan
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.