U.S. Patent No. 5,555,478

2 opinions in this collection construe or address U.S. Patent No. 5,555,478. View the patent on Google Patents.

• March 23, 2011 Fed. Cir. In re Verizon Business, No. 11-M956 (Fed. Cir. Mar. 23, 2011) Granted
• March 23, 2010 E.D. Tex. Red River Fiber Optic Corp v. Verizon Services Corp et al, No. 2:08-cv-00215 (E.D. Tex. Mar. 23, 2010) Denied