IP Library Granted Patent US 5,268,635
Granted Patent Utility
US 5,268,635 · App. 07/922,895

Intelligent self-diagnosing and sparing light emitting diodes

Inventors: James R. Bortolini, Gary J. Grimes
Patented Case View Patent ↗
Granted: Dec 7, 1993 Filed: Jul 31, 1992
Inventors
James R. Bortolini
Gary J. Grimes
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,268,635
App. No.
07/922,895
Filed
1992-07-31
Granted
1993-12-07
Kind
A