Pennybaker; Kent A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pennybaker; Kent A..The latest application filed is for "method and apparatus for controlling odors".
- Pennybaker; Kent A. - Lawrence KS
- Pennybaker; Kent A. - Ponca City OK
| Patent | Date |
|---|---|
| Method and apparatus for controlling odors Grant 9,955,829 - Sifers , et al. May 1, 2 | 2018-05-01 |
| Method And Apparatus For Controlling Odors App 20160262584 - Sifers; Don S. ; et al. | 2016-09-15 |
| Method and apparatus for controlling odors Grant 9,265,389 - Sifers , et al. February 23, 2 | 2016-02-23 |
| Method And Apparatus For Controlling Odors App 20150190020 - Sifers; Don S. ; et al. | 2015-07-09 |
| Method and apparatus for controlling odors Grant 9,017,606 - Sifers , et al. April 28, 2 | 2015-04-28 |
| Method And Apparatus For Controlling Fecal Odors App 20140289942 - Sifers; Don S. ; et al. | 2014-10-02 |
| Method and apparatus for controlling fecal odors Grant 8,784,739 - Sifers , et al. July 22, 2 | 2014-07-22 |
| Method and apparatus for controlling fecal odors Grant 8,475,718 - Sifers , et al. July 2, 2 | 2013-07-02 |
| Method and apparatus for controlling fecal odors App 20100221145 - Sifers; Don S. ; et al. | 2010-09-02 |
| Method and apparatus for controlling fecal odors App 20080063991 - Sifers; Don S. ; et al. | 2008-03-13 |
| Method for treating ethane App 20040225164 - Allison, Joe D. ; et al. | 2004-11-11 |
| Layer density determination using surface and deviated borehole gravity values Grant 5,218,864 - Pennybaker June 15, 1 | 1993-06-15 |
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