Granted Patent
Utility
US 4,970,503 · App. 07/222,814
Method for continuously and automatically monitoring the electrical operability and control capability in a liquid crystal display unit
Inventors:
Francesco Principe, Vito Gargano
Patented Case
View Patent ↗
Granted: Nov 13, 1990
Filed: Jul 21, 1988
Inventors
Francesco Principe
Vito Gargano
Assignee (at issue)
Nuovopignone Industrie Meccaniche E Fonderia S.p.A.
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.