Granted Patent
Utility
US 5,898,737 · App. 08/543,814
Adaptive digital symbol recovery for amplitude phased keyed digital communication systems
Inventors:
Frank Chethik, Richard W. Koralek, Donald R. Pandori, Francis J. Smith
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Oct 16, 1995
Inventors
Frank Chethik
Richard W. Koralek
Donald R. Pandori
Francis J. Smith
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.