IIIIIIIH
US007644383B2
(12) United States Patent ao) Patent No.: Us 7,644,383 B2
Bartling et al. (45) Date of Patent: Jan. 5,2010
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* cited by examiner
Primary Examiner—Vuthe Siek
Assistant Examiner—Patrick Sandoval
(74) Attorney, Agent, or Firm—Dawn V. Stephens; Wade
James Brady, III; Frederick J. Telecky, Jr.
