DETHMERS MFG. CO. v. AUTOMATIC EQUIPMENT MFG.

Attorney(s) appearing for the Case

David A. Tank, Davis, Brown, Koehn, Shors & Roberts, P.C., of Des Moines, IA, argued for plaintiff-appellant. With him on the brief were Brian J. Laurenzo and Michael C. Gilchrist, Dorsey & Whitney, LLP, of Des Moines, IA.

Timothy R. Engler, Harding, Schultz & Downs, of Lincoln, Nebraska, argued for defendant-cross appellant. With him on the brief was Donald R. Schoonover, Schoonover Law Firm, of Fremont Hills, MO.

John M. Whealan, Solicitor, United States Patent and Trademark Office, of Arlington, VA, for amicus curiae Director of the United States Patent and Trademark Office. With him on the brief were Kristin L. Yohannan and Cynthia C. Lynch, Associate Solicitors.

Before CLEVENGER, SCHALL, and DYK, Circuit Judges.