1 EXHIBIT 4.1 BIOGEN, INC. ANDRights Agreement • April 27th, 1999 • Biogen Inc • Biological products, (no disgnostic substances) • Massachusetts
Contract Type FiledApril 27th, 1999 Company Industry Jurisdiction
1 EXHIBIT 4.1 BIOGEN, INC. ANDRights Agreement • April 27th, 1999 • Biogen Inc • Biological products, (no disgnostic substances) • Massachusetts
Contract Type FiledApril 27th, 1999 Company Industry Jurisdiction