Holt; Karl K.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Holt; Karl K..The latest application filed is for "septic system remediation".
- Holt; Karl K. - Hartland WI
| Patent | Date |
|---|---|
| Septic system remediation Grant 10,995,026 - Holt May 4, 2 | 2021-05-04 |
| Septic System Remediation App 20210017057 - Holt; Karl K. | 2021-01-21 |
| Liquid aeration device Grant 9,126,850 - Holt , et al. September 8, 2 | 2015-09-08 |
| Waste Water Recycling System App 20120103888 - Holt; Karl K. | 2012-05-03 |
| Septic System Remediation Method And Apparatus App 20100200502 - Holt; Karl K. | 2010-08-12 |
| Septic system remediation method and apparatus Grant 7,718,067 - Holt May 18, 2 | 2010-05-18 |
| Portable tank wastewater treatment system and method Grant 7,468,135 - Holt December 23, 2 | 2008-12-23 |
| Wastewater treatment system Grant 7,429,320 - Holt September 30, 2 | 2008-09-30 |
| Septic System Remediation Method and Apparatus App 20080185335 - Holt; Karl K. | 2008-08-07 |
| Portable Tank Wastewater Treatment System And Method App 20080023412 - Holt; Karl K. | 2008-01-31 |
| Septic system remediation method and apparatus Grant 7,264,727 - Holt September 4, 2 | 2007-09-04 |
| Septic system remediation method and apparatus App 20050061738 - Holt, Karl K. | 2005-03-24 |
| Indexing rotary switch Grant 6,781,070 - Holt August 24, 2 | 2004-08-24 |
| Septic system remediation method and apparatus App 20040149652 - Holt, Karl K. | 2004-08-05 |
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