U.S. Patent No. 5,528,490

3 opinions in this collection construe or address U.S. Patent No. 5,528,490. View the patent on Google Patents.

• January 10, 2012 E.D. Tex. Charles E. Hill & Associates, Inc. v. Abt Electronics, Inc. et al, No. 2:09-cv-00313 (E.D. Tex. Jan. 10, 2012) Claims Construed
• October 7, 2005 E.D. Tex. Charles E Hill Assoc v. Amazon.com Inc, et al, No. 2:02-cv-00186 (E.D. Tex. Oct. 7, 2005) Claims Construed
• October 7, 2005 E.D. Tex. Charles E Hill Assoc v. Amazon.com Inc, et al, No. 2:02-cv-00186 (E.D. Tex. Oct. 7, 2005) Granted in Part