TMWD - - Press ReleaseSource: Tumbleweed Communications Corp.
Tumbleweed Granted Two New Patents
Friday March 28, 9:02 am ET
Internet Messaging Company Expands Patent Portfolio to Twelve Patents
REDWOOD CITY, Calif.--(BUSINESS WIRE)--March 28, 2003--Tumbleweed® Communications Corp. (Nasdaq:TMWD - News), a leading provider of secure messaging applications for businesses and government organizations using the Internet, today announced that it has been granted U.S. Patent No. 6,516,411 and U.S. Patent No. 6,529,956 by the U.S. Patent and Trademark Office.
U.S. Patent No. 6,516,411, titled "Method and Apparatus for Effecting Secure Document Format Conversion," covers a method of delivering electronic information securely by using server-based encryption and decryption.
U.S. Patent No. 6,529,956, titled "Private, Trackable URLs for Directed Document Delivery," covers the use of multiple personalized, trackable URLs to deliver electronic information. The patent is a continuation of Tumbleweed's U.S. Patent No. 6,192,407.
Tumbleweed's patent portfolio includes 12 granted U.S. patents and over 20 pending U.S. patent applications. The patent portfolio broadly covers secure communication, including the binding of content to electronic identity, over Internet standards.
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