Granted Patent
Utility
US 4,953,197 · App. 07/281,186
Combination spatial diversity system
Inventors:
John Kaewell, Nicholas Carl Schreier, James J. Roller
Patented Case
View Patent ↗
Granted: Aug 28, 1990
Filed: Dec 8, 1988
Inventors
John Kaewell
Nicholas Carl Schreier
James J. Roller
Assignee (at issue)
International Mobile Machines 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.