IP Library › Granted Patent US 6,291,405
Granted Patent Utility
US 6,291,405 · App. 09/043,225

Glycol based drilling fluid

Inventors: LiJien Lee, Arvind D. Patel, Emanuel Stamatakis
Patented Case View Patent ↗
Granted: Sep 18, 2001 Filed: Mar 11, 1998
Inventors
LiJien Lee
Arvind D. Patel
Emanuel Stamatakis
Assignee (at issue)
M. I. Co., Ltd.

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Quick Facts
Patent No.
US 6,291,405
App. No.
09/043,225
Filed
1998-03-11
Granted
2001-09-18
Kind
A