DuRoss, John D. JR.
Patent Applications and Registrations
Patent applications and USPTO patent grants for DuRoss, John D. JR..The latest application filed is for "gas fired portable unvented infrared heater".
- DuRoss, John D. JR. - Chagrin Falls OH
| Patent | Date |
|---|---|
| Gas Fired Portable Unvented Infrared Heater App 20040106080 - Vandrak, Brian S. ; et al. | 2004-06-03 |
| Gas-fired portable unvented infrared heater for recreational and commercial use App 20020058226 - Vandrak, Brian S. ; et al. | 2002-05-16 |
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