Date: December 10, 2012

Patent Issues in USA for Triangle PatchTM

Los Angeles, CA — a USA patent covering our notched triangular cleaning patches
issued in 2012.  The patent covers important features, including their long radii and
their notches.  The patent gives Rigel confidence to invest more capital to expand the
brand Triangle PatchTM.  Rigel’s research team has an ongoing program to improve
swab coverage inside the bore, and the patent is the first in a series of other pending
patents.  In addition, Rigel Products has more patents pending on the concept in
other countries.

PRESS CONTACTS                                                                                 

Shane Smith
+1  310-463-7811 (mobile)

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