Granted Patent
Utility
US 4,272,721 · App. 05/967,340
Analog-to-digital converter alignment circuit
Inventor:
Robert H. Beeman
Patented Case
View Patent ↗
Granted: Jun 9, 1981
Filed: Dec 7, 1978
Inventor
Robert H. Beeman
Assignee (at issue)
GTE Automatic Electric Laboratories, Incorporated
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.