Granted Patent
Utility
US 6,097,481 · App. 05/668,030
Bang-bang laser spot tracker
Inventors:
David W. Coffey, Martin G. Woolfson
Patented Case
View Patent ↗
Granted: Aug 1, 2000
Filed: Mar 18, 1976
Inventors
David W. Coffey
Martin G. Woolfson
Assignee (at issue)
NORTHROP GRUMMAN 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.