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Patent applications and USPTO patent grants for Sparrevik; Per.The latest application filed is for "shear wave generator".
Patent | Date |
---|---|
Shear Wave Generator App 20090114473 - Westerdahl; Harald ;   et al. | 2009-05-07 |
System for subsea diverless metrology and hard-pipe connection of pipelines Grant 6,700,835 - Ward , et al. March 2, 2 | 2004-03-02 |
Shear wave generator Grant 6,612,397 - Sparrevik , et al. September 2, 2 | 2003-09-02 |
Shear wave generator App 20020181330 - Sparrevik, Per ;   et al. | 2002-12-05 |
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