Birkner; Joseph R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Birkner; Joseph R..The latest application filed is for "direct-firing gas convection oven".
- Birkner; Joseph R. - West Peabody MA
| Patent | Date |
|---|---|
| Direct-firing gas convection oven Grant 4,671,250 - Hurley , et al. June 9, 1 | 1987-06-09 |
| Jet impingement/radiation gas-fired cooking range Grant 4,622,946 - Hurley , et al. November 18, 1 | 1986-11-18 |
| Gas-fired steam cooker Grant 4,552,123 - Birkner , et al. November 12, 1 | 1985-11-12 |
| Radiant/jet impingement gas-fired cooking kettle Grant 4,467,783 - Hurley , et al. August 28, 1 | 1984-08-28 |
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