Granted Patent
Utility
US 4,975,864 · App. 07/302,534
Scene based nonuniformity compensation for starting focal plane arrays
Inventors:
Robert Sendall, Donald K. Knight, Marvin J. Ramirez, Raymond L. McKeefery, Chuong D. Dan
Patented Case
View Patent ↗
Granted: Dec 4, 1990
Filed: Jan 26, 1989
Inventors
Robert Sendall
Donald K. Knight
Marvin J. Ramirez
Raymond L. McKeefery
Chuong D. Dan
Assignee (at issue)
Hughes Aircraft Company
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.