IP Library › Granted Patent US 5,627,379
Granted Patent Utility
US 5,627,379 · App. 08/370,774

Duplication detection of circuit board removal using two light emitting diodes

Inventor: James R. Bortolini
Patented Case View Patent ↗
Granted: May 6, 1997 Filed: Dec 23, 1994
Inventor
James R. Bortolini
Assignee (at issue)
LUCENT TECHNOLOGIES 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.

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 5,627,379
App. No.
08/370,774
Filed
1994-12-23
Granted
1997-05-06
Kind
A