Granted Patent
Utility
US 6,771,014 · App. 09/949,480
Cathode design
Inventors:
Robert T. Longo, Elmer E. Reed, David W. Precht
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Sep 7, 2001
Inventors
Robert T. Longo
Elmer E. Reed
David W. Precht
Assignee (at issue)
The Boeing 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.