Granted Patent
Utility
US 5,994,952 · App. 08/955,480
Narrow band-pass interferometric filter having enhanced operational characteristics
Inventor:
Barry Thornton
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Oct 22, 1997
Inventor
Barry Thornton
Assignee (at issue)
INT LABS, INC.
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.