Granted Patent
Utility
US 4,455,665 · App. 06/304,044
Data modem clock extraction circuit
Inventor:
Philip F. Kromer, III
Patented Case
View Patent ↗
Granted: Jun 19, 1984
Filed: Sep 21, 1981
Inventor
Philip F. Kromer, III
Assignee (at issue)
Racal Data Communications, 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.