IP Library Granted Patent US 6,556,539
Granted Patent Utility
US 6,556,539 · App. 09/228,914

Selector switch control using priority table

Inventor: Gregory Scott Henderson
Patented Case View Patent ↗
Granted: Apr 29, 2003 Filed: Jan 12, 1999
Inventor
Gregory Scott Henderson
Assignee (at issue)
MCI Communications 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 6,556,539
App. No.
09/228,914
Filed
1999-01-12
Granted
2003-04-29
Kind
B1