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US006887226B2
(12) United States Patent (io) Patent No.: US 6,887,226 B2
Cassoni et al. (45) Date of Patent: May 3,2005
Inventors: Robert Paul Cassoni, Centerville, OH
(US); Dale Edwin Barker, Hamilton,
OH (US)
(73) Assignee: The Procter & Gamble Company,
Cincinnati, OH (US)
( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 332 days.
(21) Appl. No.: 10/161,484
(22) Filed: May 31, 2002
(65) Prior Publication Data
US 2003/0225389 Al Dec. 4, 2003
(51) Int. CI. A61F 13/20
(52) U.S. CI 604/385.18; 604/904
(58) Field of Search 604/385.18, 904
(56) References Cited
U.S. PATENT DOCUMENTS
