Harkins; Michael T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Harkins; Michael T..The latest application filed is for "carbon monoxide detector, system and method for signaling a carbon monoxide sensor end-of-life condition".
- Harkins; Michael T. - Portland OR US
| Patent | Date |
|---|---|
| Carbon monoxide detector, system and method for signaling a carbon monoxide sensor end-of-life condition Grant 8,791,828 - Harkins , et al. July 29, 2 | 2014-07-29 |
| Access control system Grant 8,786,400 - Harkins , et al. July 22, 2 | 2014-07-22 |
| Carbon monoxide detector, system and method for signaling a carbon monoxide sensor end-of-life condition App 20120055235 - Harkins; Michael T. ; et al. | 2012-03-08 |
| Carbon monoxide detector, system and method for signaling a carbon monoxide sensor end-of-life condition Grant 8,054,188 - Harkins , et al. November 8, 2 | 2011-11-08 |
| Carbon Monoxide Detector, System And Method For Signaling A Carbon Monoxide Sensor End-of-life Condition App 20100171608 - Harkins; Michael T. ; et al. | 2010-07-08 |
| Electrical power supply with single output from range of input voltages Grant 5,587,895 - Harkins December 24, 1 | 1996-12-24 |
| Temperature controlling device Grant D355,382 - Long , et al. February 14, 1 | 1995-02-14 |
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