Granted Patent
Utility
US 6,285,338 · App. 09/493,824
Method and apparatus for eliminating keyhole problem of an azimuth-elevation gimbal antenna
Inventors:
Monty W. Bai, Keith A. Kingston, Hugh R. Malone, John G. Doggett, Jr., Ronald P. Vidano, Earl R. Yingling
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Jan 28, 2000
Inventors
Monty W. Bai
Keith A. Kingston
Hugh R. Malone
John G. Doggett, Jr.
Ronald P. Vidano
Earl R. Yingling
Assignee (at issue)
Motorola, 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.