Granted Patent
Utility
US 5,905,482 · App. 08/722,062
Ferroelectric liquid crystal displays with digital greyscale
Inventors:
Jonathan Rennie Hughes, Alastair Graham, Michael John Towler, Edward P. Raynes
Patented Case
View Patent ↗
Granted: May 18, 1999
Filed: Oct 29, 1996
Inventors
Jonathan Rennie Hughes
Alastair Graham
Michael John Towler
Edward P. Raynes
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.