James R. Riggs

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Kenova, WV, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for the separation of solid particulates from a gaseous e...
- Patent number 4,869,880
- Issue date Sep 26, 1989
- Ashland Oil, Inc.
- William P. Hettinger
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Apparatus for the separation of solid particulates from a gaseous e...
- Patent number 4,792,437
- Issue date Dec 20, 1988
- Ashland Oil, Inc.
- William P. Hettinger
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL