| |
| |
Unisys | LZW Patent and Software Information |
 | | Unisys U.S. LZW Patent No. 4,558,302 expired on June 20, 2003, the counterpart patents in the United Kingdom, France, Germany and Italy expired on June 18, 2004, the Japanese counterpart patents expired on June 20, 2004 and the counterpart Canadian patent expired on July 7, 2004. |
 | | Unisys Corporation holds and has patents pending on a number of improvements on the inventions claimed in the above-expired patents. Information on these improvement patents and terms under which they may be licensed can be obtained by contacting the following: |
 | | Via facsimile, send inquiries to Welch Patent Licensing Department at |
| www.unisys.com /about__unisys/lzw (104 words) |
|