IP Library › Granted Patent US 6,820,692
Granted Patent Utility
US 6,820,692 · App. 09/964,930

Bentonite nodules

Inventors: Maurice L. James, Kieth A. Hejl
Patented Case View Patent ↗
Granted: Nov 23, 2004 Filed: Sep 26, 2001
Inventors
Maurice L. James
Kieth A. Hejl
Assignee (at issue)
Chevron U.S.A. Inc.

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Quick Facts
Patent No.
US 6,820,692
App. No.
09/964,930
Filed
2001-09-26
Granted
2004-11-23
Kind
B2