Internally adjustable damper
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The features shown in broken lines, with the exception of the center lines showing the assembly of the fittings in
The break lines in FIG. 1 and 5-9 depicted by matching curved lines indicate that no particular length is claimed.
The claimed ornamental design is for the overall appearance of an internally adjustable damper for use to adjust the air flow resistance of the damper.
Claims
The ornamental design for an internally adjustable damper, as shown and described.
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Type: Grant
Filed: Sep 2, 2010
Date of Patent: Mar 15, 2011
Assignee: Streivor Air Systems, Inc. (Hayward, CA)
Inventor: Jeffrey S. Lambertson (Danville, CA)
Primary Examiner: David G Muller
Attorney: Kilpatrick Townsend & Stockton LLP
Application Number: 29/369,170