Ceiling panel
Claims
The ornamental design for a ceiling panel, as shown and described.
Type: Grant
Filed: May 11, 2011
Date of Patent: Jun 26, 2012
Assignee: Armstrong World Industries, Inc. (Lancaster, PA)
Inventors: James R. Waters (Lancaster, PA), Nathan J. Baxter (Lancaster, PA)
Primary Examiner: Doris Clark
Attorney: McNees Wallace & Nurick LLC
Application Number: 29/391,631