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

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David Sarnoff, American radio pioneer ; 1921

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Assignee: Arundale Manufacturers, Inc.

Location: St.Louis, MO
No. of patents: 1

Number	Title	Issue Date
3986716	Composite racquet structure A compound tennis racquet is formed of extruded metal tubing and injection molded plastic. The extruded tubing has a compound cross section with a recessed central portion. The metal tubing is formed into a circular loop to define the main head portion of...	10/19/1976