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1991-2004 Bostec Engineering, Inc. H-Seals™ and H-Seal™ products are covered under U.S. Patent numbers 5,433,454, 5,445,393 and other patents that are pending. H-Seal™ is a trademark of Bostec Engineering, Inc. All rights reserved. Terms of Use

For more information contact Bill Van Zanten at 310-619-9080 (direct).
or email bill.vanzanten@starcast.net