Wermers; Vilas L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wermers; Vilas L..The latest application filed is for "high temperature drilling fluid component".
- Wermers; Vilas L. - Lemont IL
| Patent | Date |
|---|---|
| High temperature drilling fluid component Grant 4,652,384 - Francis , et al. March 24, 1 | 1987-03-24 |
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