Adjustable ladder extension
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Any broken lines shown are for illustrative purposes only and form no part of the claimed designed.
Claims
The ornamental design for an adjustable ladder extension, as shown and described.
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Type: Grant
Filed: Sep 7, 2016
Date of Patent: Jan 16, 2018
Assignee: (Poulsbo, WA)
Inventor: Philip F. Lanzafame (Poulsbo, WA)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Michael Maharajh
Application Number: 29/576,870