Granted Patent
Utility
US 5,989,923 · App. 08/718,311
Hologram containing sensor
Inventors:
Christopher Robin Lowe, Roger Bradley Millington, Jeffrey Blyth, Andrew G. Mayes
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Oct 28, 1996
Inventors
Christopher Robin Lowe
Roger Bradley Millington
Jeffrey Blyth
Andrew G. Mayes
Assignee (at issue)
BTG INTERNATIONAL 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.