IP Library Granted Patent US 6,556,953
Granted Patent Utility
US 6,556,953 · App. 09/829,448

Automatic testing of redundant switching element and automatic switchover

Inventors: Samuel C. Lay, Jeffrey J. Nelson, James Rodgers, Kenneth N. Jessop
Patented Case View Patent ↗
Granted: Apr 29, 2003 Filed: Apr 9, 2001
Inventors
Samuel C. Lay
Jeffrey J. Nelson
James Rodgers
Kenneth N. Jessop
Assignee (at issue)
MCDATA 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 6,556,953
App. No.
09/829,448
Filed
2001-04-09
Granted
2003-04-29
Kind
B2