U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

"The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?"

David Sarnoff, American radio pioneer ; 1921

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Class 152/304 - With apertured external binders

Subclass of Class 152 - Resilient tires and wheels
Definition: The tire sections are secured to the wheel by bands or plates
No. of patents: 0