Granted Patent
Utility
US 5,356,608 · App. 07/336,453
Preparation of a high purity aluminum nitride antenna window by organometallic pyrolysis
Inventor:
Joseph J. Gebhardt
Patented Case
View Patent ↗
Granted: Oct 18, 1994
Filed: Mar 16, 1989
Inventor
Joseph J. Gebhardt
Assignee (at issue)
LOCKHEED MARTIN 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.