Holmes; Leonard W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Holmes; Leonard W..The latest application filed is for "multistage warm air furnace with single stage thermostat and return air sensor and method of operating same".
- Holmes; Leonard W. - Arp TX
| Patent | Date |
|---|---|
| Multistage warm air furnace with single stage thermostat and return air sensor and method of operating same Grant 6,925,999 - Hugghins , et al. August 9, 2 | 2005-08-09 |
| Multistage warm air furnace with single stage thermostat and return air sensor and method of operating same App 20050092317 - Hugghins, Gordon Jeffrey ; et al. | 2005-05-05 |
| Gas furnace with variable speed draft inducer App 20010044084 - Hugghins, G. Jeffrey ; et al. | 2001-11-22 |
| Gas furnace with variable speed draft inducer Grant 6,257,870 - Hugghins , et al. July 10, 2 | 2001-07-10 |
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