Wawrzos; Frank A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wawrzos; Frank A..The latest application filed is for "potassium boron-containing compositions and their preparation".
- Wawrzos; Frank A. - Chicago IL
- Wawrzos; Frank A. - McHenry IL
| Patent | Date |
|---|---|
| Potassium Boron-Containing Compositions and Their Preparation App 20210198115 - Kokel; Julien ; et al. | 2021-07-01 |
| Drilling fluid additive for loss circulation and wellbore strengthening Grant 8,999,898 - Zhou , et al. April 7, 2 | 2015-04-07 |
| Drilling Fluid Additive For Loss Circulation And Wellbore Strengthening App 20140274816 - Zhou; Changjun ; et al. | 2014-09-18 |
| Cement compositions including resilient graphitic carbon fraction Grant 8,617,309 - Carney , et al. December 31, 2 | 2013-12-31 |
| Method of making graphite-coated particulate materials Grant 7,666,469 - Weintritt , et al. February 23, 2 | 2010-02-23 |
| Drilling Fluid Lubricant And Method Of Use App 20090075847 - Wawrzos; Frank A. ; et al. | 2009-03-19 |
| Method Of Making Graphite-coated Particulate Materials App 20080248308 - Weintritt; Donald J. ; et al. | 2008-10-09 |
| Graphite-coated particulate materials Grant 7,402,338 - Weintritt , et al. July 22, 2 | 2008-07-22 |
| Graphite coating of particulate materials App 20070054121 - Weintritt; Donald J. ; et al. | 2007-03-08 |
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