Granted Patent
Utility
US 4,526,438 · App. 06/494,466
Alignment sleeve for fiber optic connectors
Inventor:
Robert Essert
Patented Case
View Patent ↗
Granted: Jul 2, 1985
Filed: May 13, 1983
Inventor
Robert Essert
Assignee (at issue)
ALLIED CONSULTING, INC.
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.