Granted Patent
Utility
US 5,724,113 · App. 08/687,494
Liquid crystal device alignment layer having an asymmetric profile grating on its surface
Inventors:
Guy Peter Bryan-Brown, Damien G. McDonnell, Michael John Towler
Patented Case
View Patent ↗
Granted: Mar 3, 1998
Filed: Aug 6, 1996
Inventors
Guy Peter Bryan-Brown
Damien G. McDonnell
Michael John Towler
Assignee (at issue)
The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
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.