Granted Patent
Utility
US 6,646,367 · App. 10/216,249
Field emitter for microwave devices and the method of its production
Inventor:
Vladimir Makhov
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Aug 12, 2002
Inventor
Vladimir Makhov
Assignee (at issue)
L-3 COMMUNICATIONS 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.