U.S. Patent No. 5,991,374

2 opinions in this collection construe or address U.S. Patent No. 5,991,374. View the patent on Google Patents.

• April 24, 2015 Fed. Cir. Info-Hold, Inc. v. Muzak LLC, No. 14-1167 (Fed. Cir. Apr. 24, 2015) Affirmed in Part
• April 24, 2015 Fed. Cir. Info-Hold, Inc. v. Applied Media Tech. Corp., No. 13-1528 (Fed. Cir. Apr. 24, 2015) Reversed