Twist lock for a multi-position ladder
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The broken lines shown in the figures are included for the purpose of illustrating portions of the twist lock for a multi-position ladder and form no part of the claimed design. The broken lines showing a portion of a ladder in
Claims
The ornamental design for twist lock for a multi-position ladder, as shown and described.
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20050274571 | December 15, 2005 | Simpson |
Type: Grant
Filed: Sep 12, 2019
Date of Patent: Apr 6, 2021
Assignee: Tricam Industries, Inc. (Eden Prairie, MN)
Inventors: Joseph P. Foley (St. Paul, MN), Benjamin P. Williams (Chaska, MN)
Primary Examiner: Gino Colan
Application Number: 29/705,500