EXHIBIT 4.5 VOID AFTER 5:00 P.M. NEW YORK TIME ON _________________, 2002 WARRANTS TO PURCHASE COMMON STOCK W________ _________ Warrants PROGENITOR, INC. CUSIP _________ THIS CERTIFIES THAT FOR VALUE RECEIVED _____________________ or registered...Progenitor Inc • August 5th, 1997 • Biological products, (no disgnostic substances)
WARRANT AGREEMENT between PROGENITOR, INC. andWarrant Agreement • August 5th, 1997 • Progenitor Inc • Biological products, (no disgnostic substances) • New York
