Sopko; Joseph A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sopko; Joseph A..The latest application filed is for "ground freezing installation accommodating thermal contraction of metal feed pipes".
- Sopko; Joseph A. - Cedar Grove WI
- Sopko; Joseph A. - Macungie PA
| Patent | Date |
|---|---|
| Ground freezing installation accommodating thermal contraction of metal feed pipes Grant 7,438,501 - Sopko October 21, 2 | 2008-10-21 |
| Ground Freezing Method And Apparatus With Geothermal Gradient Compensation App 20070266715 - Sopko; Joseph A. | 2007-11-22 |
| Ground Freezing Installation Accommodating Thermal Contraction Of Metal Feed Pipes App 20070267190 - Sopko; Joseph A. | 2007-11-22 |
| Method And Apparatus For Artificial Ground Freezing App 20040168460 - Briley, George ; et al. | 2004-09-02 |
| Apparatus and method for grouping and prioritizing voice messages for convenient playback Grant 6,335,962 - Ali , et al. January 1, 2 | 2002-01-01 |
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