Langford; Graham G.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Langford; Graham G..The latest application filed is for "color monitoring apparatus".
- Langford; Graham G. - Johannesburg ZA
| Patent | Date |
|---|---|
| Color Monitoring Apparatus Grant 3,735,143 - Langford May 22, 1 | 1973-05-22 |
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