Ellens; Mark William
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ellens; Mark William.The latest application filed is for "method for detecting stress and strain".
- Ellens; Mark William - Richmond N/A CA
- Ellens; Mark William - Vancouver CA
| Patent | Date |
|---|---|
| Photoelastic layer with integrated polarizer Grant 8,610,883 - Lam , et al. December 17, 2 | 2013-12-17 |
| Monitoring device for detecting stress strain and method for using same Grant 8,525,979 - Lam , et al. September 3, 2 | 2013-09-03 |
| Photoelastic coating for structural monitoring Grant 8,432,537 - Lam , et al. April 30, 2 | 2013-04-30 |
| Spool valve Grant 6,651,574 - Ellens , et al. November 25, 2 | 2003-11-25 |
| Method for detecting stress and strain Grant 6,650,405 - Lam , et al. November 18, 2 | 2003-11-18 |
| Method for detecting stress and strain App 20020001073 - Lam, Duhane ; et al. | 2002-01-03 |
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