Granted Patent
Utility
US 6,051,639 · App. 09/125,718
Liquid crystal macrocycles
Inventors:
Georg Mehl, John William Goodby, Rachel TUFFIN, Kenneth J. Toyne
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Aug 25, 1998
Inventors
Georg Mehl
John William Goodby
Rachel TUFFIN
Kenneth J. Toyne
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 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.