Rubik's Cube Patent Mug

Rubik's Cube Patent Mug by Mighty Circus. 

Vintage patent art from the archives of the United States Patent Office.

• 15 Ounce ceramic coffee mug
• Comfortable full size handle
• Dishwasher and microwave safe
• Printed in the U.S.A.
• BPA free

This design also available as a t-shirt. Click Here to view.