Thomas; Alan John
Patent Applications and Registrations
Patent applications and USPTO patent grants for Thomas; Alan John.The latest application filed is for "multiple channel colorimeter".
- Thomas; Alan John - Petersham Richmon EN
| Patent | Date |
|---|---|
| Multiple channel colorimeter Grant 3,880,523 - Thomas April 29, 1 | 1975-04-29 |
| Discriminator circuits Grant 3,875,516 - Thomas April 1, 1 | 1975-04-01 |
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