Portable apparatus for determining leaks in air ducts
The broken lines in the drawings depict unclaimed environmental subject matter.
Claims
The ornamental design for a portable apparatus for determining leaks in air ducts, as shown and described.
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Type: Grant
Filed: Jan 25, 2010
Date of Patent: Feb 1, 2011
Assignee: United McGill Corporation C (Groveport, OH)
Inventors: Patrick J. Brooks (Columbus, OH), Shawn Michael Fortner (Massillon, OH), Andrew N. Czerpak (Erie, PA)
Primary Examiner: Patricia Palasik
Attorney: Mueller Smith & Okuley, LLC
Application Number: 29/354,454