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US006796308B2
(12) United States Patent ao) Patent No.: us 6,796,308 B2
Gunaratnam et al. (45) Date of Patent: *Sep. 28,2004
This patent is subject to a terminal dis-
claimer.
(21) Appl. No.: 10/123,484
(22) Filed: Apr. 17, 2002
(65) Prior Publication Data
US 2002/0108613 Al Aug. 15, 2002
Related U.S. Application Data
(63) Continuation ol application No. 09/501,004, filed on Feb. 9, 2000, now Pat. No. 6,412,487, which is a continuation-inpart ol application No. 09/498,705, filed on Feb. 7, 2000, now Pat. No. 6,491,034, and a continuation-in-part ol application No. 09/316,227, filed on May 21, 1999, now Pat. No. 6,513,526, and a continuation-in-part ol application No. 29/101,860, filed on Mar. 12, 1999, now Pat. No. Des. 428,139, and a continuation-in-part ol application No. 29/101,861, filed on Mar. 12, 1999, now Pat. No. Des. 430,663, and a continuation-in-part ol application No. 29/101,862, filed on Mar. 12, 1999, now Pat. No. Des. 428,988, and a continuation-in-part ol application No. 29/115,618, filed on Dec. 16, 1999, now Pat. No. Des. 443,355.
(30) Foreign Application Priority Data
Dec. 9, 1998 (AU) 3922/98
Dec. 9, 1998 (AU) 3923/98
Dec. 9, 1998 (AU) 3924/98
Feb. 9, 1999 (AU) PP8550
Jun. 18, 1999 (AU) PQ1029
Jun. 18, 1999 (AU) PQ1040
