Wheelchair lift assist mechanism
The broken line showing of the front pegs in
The handles in
Claims
The ornamental design for wheelchair lift assist mechanism, as shown and described.
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Type: Grant
Filed: Jan 9, 2013
Date of Patent: Feb 18, 2014
Inventor: David Braaten (Sunburg, MN)
Primary Examiner: Ian Simmons
Assistant Examiner: Charles Hanson
Application Number: 29/441,739