Granted Patent
Utility
US 5,750,050 · App. 08/564,211
Discotic compounds for use in liquid crystal mixtures
Inventors:
John William Goodby, Michael Hird, David R Beattie, Paul Hindmarsh, George W. Gray, Damien G. McDonnell, John Clifford Jones, Timothy Phillips
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: Feb 28, 1996
Inventors
John William Goodby
Michael Hird
David R Beattie
Paul Hindmarsh
George W. Gray
Damien G. McDonnell
John Clifford Jones
Timothy Phillips
Assignee (at issue)
Secretary of State for Defence in her Britannic Majesty's Government of the U.K. of Gt. Britain and N. Ireland Defence Evaluation & Research Agency CNT GBX COD 03
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.