Birkmann; John Patrick
Patent Applications and Registrations
Patent applications and USPTO patent grants for Birkmann; John Patrick.The latest application filed is for "flooring incorporating open and enclosed air ducts".
- Birkmann; John Patrick - Saint Charles MO
| Patent | Date |
|---|---|
| Flooring incorporating open and enclosed air ducts Grant 10,246,106 - Davis , et al. | 2019-04-02 |
| Flooring Incorporating Open And Enclosed Air Ducts App 20170028998 - DAVIS; BRIAN LESTER ; et al. | 2017-02-02 |
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