Aerodynamic drag reduction device for a trailer
Claims
The ornamental design for an aerodynamic drag reduction device for a trailer, as shown.
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Type: Grant
Filed: Oct 22, 2013
Date of Patent: May 20, 2014
Inventor: Raimund Pfaff (Carter Lake, IA)
Primary Examiner: Katrina A Betton
Application Number: 29/470,493