Steve D. Raffensperger

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Sylvania, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Air sparger for agitating solid-liquid suspensions
- Patent number 5,470,149
- Issue date Nov 28, 1995
- Martin Marietta Magnesia Specialties Inc.
- Joseph T. Witkowski
- B60 - VEHICLES IN GENERAL