Granted Patent
Utility
US 4,965,091 · App. 06/103,986
Sol gel method for forming thin luminescent films
Inventors:
Vincent Fratello, Eliezer M. Rabinovich, Joseph Shmulovich
Patented Case
View Patent ↗
Granted: Oct 23, 1990
Filed: Oct 1, 1987
Inventors
Vincent Fratello
Eliezer M. Rabinovich
Joseph Shmulovich
Assignee (at issue)
AT&T Bell Laboratories
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.