U.S. Patent No. 4,800,039

2 opinions in this collection construe or address U.S. Patent No. 4,800,039. View the patent on Google Patents.

• February 17, 2012 Fed. Cir. Clearvalue, Inc. v. Pearl River Polymers, Inc., No. 11-1078 (Fed. Cir. Feb. 17, 2012) Reversed in Part
• August 12, 2010 E.D. Tex. Clearvalue, Inc. et al v. Pearl River Polymers, Inc. et al, No. 6:06-cv-00197 (E.D. Tex. Aug. 12, 2010) Granted in Part