Dettbarn; Richard
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dettbarn; Richard.The latest application filed is for "fire-resistant wooden i-joist".
- Dettbarn; Richard - Calgary CA
| Patent | Date |
|---|---|
| I-joist Grant D950,105 - Dettbarn April 26, 2 | 2022-04-26 |
| I-joist Grant D872,875 - Dettbarn Ja | 2020-01-14 |
| Fire-resistant wooden I-joist Grant 10,240,341 - Dettbarn | 2019-03-26 |
| I-joist Grant D796,063 - Dettbarn August 29, 2 | 2017-08-29 |
| Fire-Resistant Wooden I-Joist App 20170121965 - Dettbarn; Richard | 2017-05-04 |
| Fire Resistant Timber Coating Compositions And Methods Of Manufacture App 20120045584 - DETTBARN; Richard ; et al. | 2012-02-23 |
| Compositions And Methods For Coating Surfaces App 20110036035 - DETTBARN; Richard ; et al. | 2011-02-17 |
| Insulated wall assembly Grant 5,003,742 - Dettbarn April 2, 1 | 1991-04-02 |
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