Calvert; Douglas J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Calvert; Douglas J..The latest application filed is for "gauge with illuminated dial and pointer".
- Calvert; Douglas J. - DeKalb IL
| Patent | Date |
|---|---|
| Gauge with illuminated dial and pointer Grant 6,663,251 - Calvert December 16, 2 | 2003-12-16 |
| Gauge With Illuminated Dial And Pointer App 20030202335 - Calvert, Douglas J. | 2003-10-30 |
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