Article: California Inventor Develops Air Filter Inner Support

ALEXANDRIA, Va., July 31 -- Pinakin Y. Pathak of Cerritos, Calif., has developed a support for air filter.

According to the U.S. Patent & Trademark Office: "An internal support for an air filter includes a helical member which is shaped and dimensioned to fit against the inside surface of the air filter to provide structural support which prevents the air filter from inwardly collapsing. In another embodiment of the invention, a plurality of support rings are installed in spaced apart parallel relationship inside the air filter."

The inventor was issued U.S. Patent No. 7,404,838 on July 29.

The original application was filed on July ...

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