IP Library Granted Patent US 6,339,643
Granted Patent Utility
US 6,339,643 · App. 09/239,683

Telephone disable feature

Inventors: Angelo R. Mastrocola, James Skorko, John P. Veschi
Patented Case View Patent ↗
Granted: Jan 15, 2002 Filed: Jan 29, 1999
Inventors
Angelo R. Mastrocola
James Skorko
John P. Veschi
Assignee (at issue)
Agere Systems Guardian Corporation

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 6,339,643
App. No.
09/239,683
Filed
1999-01-29
Granted
2002-01-15
Kind
B1