Hagan; John Mark
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hagan; John Mark.The latest application filed is for "air cleaning systems and methods".
- Hagan; John Mark - Tyler TX
| Patent | Date |
|---|---|
| Air cleaning systems and methods Grant 10,807,102 - Hagan October 20, 2 | 2020-10-20 |
| HVAC system with visitor presence sensor Grant 9,818,288 - Hagan November 14, 2 | 2017-11-14 |
| Air Cleaning Systems and Methods App 20170050193 - Hagan; John Mark | 2017-02-23 |
| Air cleaning systems and methods Grant 9,486,813 - Hagan November 8, 2 | 2016-11-08 |
| HVAC System with Visitor Presence Sensor App 20150221207 - Hagan; John Mark | 2015-08-06 |
| Air Cleaning Systems and Methods App 20140144317 - Hagan; John Mark | 2014-05-29 |
| Air cleaning systems and methods Grant 8,663,362 - Hagan March 4, 2 | 2014-03-04 |
| Air Cleaning Systems and Methods App 20120204715 - Hagan; John Mark | 2012-08-16 |
| Air filtration system Grant 7,909,918 - Bias , et al. March 22, 2 | 2011-03-22 |
| Air filtration system App 20090044703 - Bias; Larry S. ; et al. | 2009-02-19 |
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