Sweatband insert for hard hat headbands
The broken line showing of a hard hat in
Claims
The ornamental design for a sweatband insert for hard hat headbands, as shown and described.
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Type: Grant
Filed: Sep 12, 2011
Date of Patent: May 29, 2012
Inventor: Paul D. Hollingsworth (Weatherford, TX)
Primary Examiner: Elizabeth J Oswecki
Attorney: Montgomery Patent & Design, LLC
Application Number: 29/401,383