Keenan; Andrew D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Keenan; Andrew D..The latest application filed is for "multiple filter controller and method of use".
- Keenan; Andrew D. - Southwick MA
| Patent | Date |
|---|---|
| Filter controller Grant 10,532,296 - Keenan Ja | 2020-01-14 |
| Multiple filter controller and method of use Grant 8,157,987 - Keenan April 17, 2 | 2012-04-17 |
| Multiple filter controller and method of use Grant 8,110,114 - Keenan February 7, 2 | 2012-02-07 |
| Multiple Filter Controller And Method Of Use App 20090095689 - KEENAN; ANDREW D. | 2009-04-16 |
| Multiple filter controller Grant 7,481,919 - Keenan January 27, 2 | 2009-01-27 |
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