Granted Patent
Utility
US 4,849,991 · App. 07/213,083
Method and circuitry for determining symbol timing for time division multiple access radio systems
Inventors:
Hamilton W. Arnold, Nelson Sollenberger
Patented Case
View Patent ↗
Granted: Jul 18, 1989
Filed: Jun 29, 1988
Inventors
Hamilton W. Arnold
Nelson Sollenberger
Assignee (at issue)
Bell Communications Research, 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.