Attachment: US patent 4,931,223 cc: (via facsimile and first class mail): Counsel for Bronstein (real party in interest TROPIX, INC.:) Steven B. Kelber, Esq. PIPER MARBURY RUDNICK & WOLFE, LLP 1200 Nineteenth Street, N.W. Washington, D.C. 20036-2430 Tel: 202-861-3900 Fax: 202-223-2085 Counsel for Sherf (real party in interest Promega Corporation:) Talivaldis Cepuritis, Esq. OLSON & HIERL, LTD. 20 North Wacker Drive 36th Floor Chicago, IL 60606 Tel: 312-580-1180 Fax: 312-580-1189 -6-Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 NextLast modified: November 3, 2007