U.S. Patent No. 4,974,166

2 opinions in this collection construe or address U.S. Patent No. 4,974,166. View the patent on Google Patents.

• October 10, 2008 Fed. Cir. Asyst Technologies v. Emtrak, No. 07-1554 (Fed. Cir. Oct. 10, 2008) Affirmed
• March 22, 2005 Fed. Cir. Asyst Technologies v. Emtrak, No. 04-1048 (Fed. Cir. Mar. 22, 2005) Affirmed in Part