Granted Patent
Utility
US 5,289,314 · App. 07/857,345
Coatings for laser detector etalons
Inventor:
Edward T. Siebert
Patented Case
View Patent ↗
Granted: Feb 22, 1994
Filed: Mar 25, 1992
Inventor
Edward T. Siebert
Assignee (at issue)
Hughes Aircraft 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.