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SAN DIEGO, March 4, 2004 (PRIMEZONE) -- Sempra Fiber Links, a unit of Sempra Energy (NYSE:SRE), announced today it has received from the U.S. Patent and Trademark Office three new patents related to...
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SAN DIEGO, Jan. 22, 2003 (PRIMEZONE) -- Sempra Fiber Links, a unit of Sempra Energy (NYSE:SRE), announced today it has received notification from the U.S. Patent and Trademark Office indicating the...