Berg; Richard Donald
Patent Applications and Registrations
Patent applications and USPTO patent grants for Berg; Richard Donald.The latest application filed is for "fireplace with lighting and heating arrangement".
- Berg; Richard Donald - Lakeville MN
| Patent | Date |
|---|---|
| Fireplace with Lighting and Heating Arrangement App 20120230014 - Morrison; Ross ; et al. | 2012-09-13 |
| Fireplace With Air Management System App 20070221203 - Berg; Richard Donald ; et al. | 2007-09-27 |
| Non-metallic vent cap App 20070095339 - Lyons; David Charles ; et al. | 2007-05-03 |
| Heat exchange system Grant 6,908,039 - Lyons , et al. June 21, 2 | 2005-06-21 |
| Fireplace make-up air heat exchange system Grant 6,729,551 - Lyons , et al. May 4, 2 | 2004-05-04 |
| Fireplace make-up air heat exchange system App 20030127529 - Lyons, David Charles ; et al. | 2003-07-10 |
| Heat exchange system App 20030098358 - Lyons, David Charles ; et al. | 2003-05-29 |
| Heat exchange system Grant 6,550,687 - Lyons , et al. April 22, 2 | 2003-04-22 |
| Simulated electric glowing embers system for fireplaces App 20020166554 - Berg, Richard Donald | 2002-11-14 |
| Heat exchange system App 20010042610 - Lyons, David Charles ; et al. | 2001-11-22 |
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