FORMAL PATENT DRAWINGS FOR CO-PENDING U.S. AND FOREIGN CASES: Our drawing reproductions are NOT photocopies. Although inexpensive, they are precise duplicates of your originals printed in ink on Bristol Board or other appropriate material as necessary. They are unconditionally guaranteed to meet all requirements of the United States, PCT, EPO and all foreign countries. File copies for your own use and for your associates use are included at no extra charge. Structural changes may be included providing you have supplied us with a clearly marked copy showing the amendments desired. TRADEMARK FOR U.S. AND FOREIGN FILING: We can supply trademark drawings by working directly from labels, box tops, letterheads or other specimens. If you have a good, clear copy that you can send us to use