Robert J. Opalko — 7 Patents at Ferro

Robert J. Opalko has been granted 7 US patents while listed as an inventor at Ferro. The first was granted in 1995 and the most recent in May 2006. Robert J. Opalko ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Robert J. Opalko in Middleburg Heights, OH, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7053154	Impact modified polyolefin compositions	Ann M. Panek, Anna Andrews, Haleh Ayrom-Keuchel, Paul J. DeFranco	2006-05-30	$5,029,000
7041742	Impact modified thermoplastic olefin compositions	Ann M. Panek, Anna Andrews, Haleh Ayrom-Keuchel, Paul J. DeFranco	2006-05-09	$5,515,000
6469083	No dry master batch for polyester resins	—	2002-10-22	$5,954,000
5759472	Liquid color system for use in rotational molding and method of using the same	Paul J. DeFranco	1998-06-02	$5,928,000
5670561	Color concentrates and polymer compositions containing the same, and methods of making the same	Anthony S. Scheibelhoffer, Richard L. Abrams, Dianna B. Dusek, Dennis L. Hammond, Ronald E. Thompson	1997-09-23	$5,039,000
5443768	Abrasive and purge compositions	Anthony S. Scheibelhoffer, Dianna B. Dusek, Dennis L. Hammond, Surachai Wimolkiatisak, William R. Myers +1 more	1995-08-22	$2,253,000
5395456	Abrasive and purge compositions and methods of using the same	Richard L. Abrams	1995-03-07	$4,557,000

Robert J. Opalko — 7 Patents

Issued Patents All Time

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