Friesen; Terry V.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Friesen; Terry V..The latest application filed is for "lubricating oils having carbonated sulfurized metal alkyl phenates and carbonated metal alkyl aryl sulfonates".
- Friesen; Terry V. - Novato CA
- Friesen; Terry V. - Rodeo CA
| Patent | Date |
|---|---|
| Lubricating oils having carbonated sulfurized metal alkyl phenates and carbonated metal alkyl aryl sulfonates Grant 6,294,506 - Friesen , et al. September 25, 2 | 2001-09-25 |
| Sailboard assembly having a foot-operable steering assembly Grant 4,771,723 - Friesen September 20, 1 | 1988-09-20 |
| Sailboard assembly having a limited diplacement mast Grant 4,679,516 - Friesen July 14, 1 | 1987-07-14 |
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