Granted Patent
Utility
US 5,442,646 · App. 08/189,715
Subcarrier communication system
Inventors:
David J. Chadwick, Howard H. Ma, Frank J. Mammano, James W. Marshall, Vijaykumar M. Patel, Lyle G. Saxton
Patented Case
View Patent ↗
Granted: Aug 15, 1995
Filed: Feb 1, 1994
Inventors
David J. Chadwick
Howard H. Ma
Frank J. Mammano
James W. Marshall
Vijaykumar M. Patel
Lyle G. Saxton
Assignee (at issue)
The MITRE 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.