Spill prevention device
The broken lines showing a cup in
Claims
I claim the ornamental design for a spill prevention device, as shown and described.
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Type: Grant
Filed: Feb 6, 2009
Date of Patent: Jan 12, 2010
Inventor: Todd S. Wikstrom (Las Vegas, NV)
Primary Examiner: Ian Simmons
Assistant Examiner: Dana L Sipos
Attorney: QuickPatents, Inc.
Application Number: 29/332,022