Granted Patent
Utility
US 6,347,461 · App. 09/455,794
Portable draft measurement device and method of use therefor
Inventors:
David R. Rodriguez, Robert Wallace Peavey, Wesley Eugene Beech, Jason Michael Beatty
Patented Case
View Patent ↗
Granted: Feb 19, 2002
Filed: Dec 7, 1999
Inventors
David R. Rodriguez
Robert Wallace Peavey
Wesley Eugene Beech
Jason Michael Beatty
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.