Zwald; Edwin Arnold
Patent Applications and Registrations
Patent applications and USPTO patent grants for Zwald; Edwin Arnold.The latest application filed is for "radial expansion of tubular members".
- Zwald; Edwin Arnold - Houston TX
| Patent | Date |
|---|---|
| Radial Expansion of Tubular Members App 20080115939 - Cook; Robert Lance ; et al. | 2008-05-22 |
| Radial expansion of tubular members Grant 7,270,188 - Cook , et al. September 18, 2 | 2007-09-18 |
| Liner hanger with sliding sleeve valve Grant 7,172,021 - Brisco , et al. February 6, 2 | 2007-02-06 |
| Radial expansion of tubular members App 20050081358 - Cook, Robert Lance ; et al. | 2005-04-21 |
| Radial expansion of tubular members App 20050077051 - Cook, Robert Lance ; et al. | 2005-04-14 |
| Radial expansion of tubular members App 20050045324 - Cook, Robert Lance ; et al. | 2005-03-03 |
| Radial expansion of tubular members App 20050039928 - Cook, Robert Lance ; et al. | 2005-02-24 |
| Radial expansion of tubular members App 20030121558 - Cook, Robert Lance ; et al. | 2003-07-03 |
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