EXHIBIT 10.50 [BTU INTERNATIONAL, INC. LETTERHEAD] February 7, 2003 BY HAND DELIVERY Mr. Paul van der Wansem c/o BTU International, Inc. 23 Esquire Road North Billerica, Massachusetts 01862 Dear Paul: As we discussed, we have mutually agreed that it...Collateral Assignment Agreement • March 31st, 2003 • Btu International Inc • Special industry machinery, nec
