Richardson; Jack T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Richardson; Jack T..The latest application filed is for "secure core material for documents".
- Richardson; Jack T. - Lyman ME
- Richardson; Jack T. - Arlington MA
- Richardson; Jack T. - Seattle WA
| Patent | Date |
|---|---|
| Secure core material for documents App 20070069032 - Yeh; Tung-Feng ; et al. | 2007-03-29 |
| Identification card with embedded halftone image security feature perceptible in transmitted light Grant 7,086,666 - Richardson August 8, 2 | 2006-08-08 |
| Identification card with embedded halftone image security feature perceptible in transmitted light App 20050035589 - Richardson, Jack T. | 2005-02-17 |
| Identification card with embedded halftone image security feature perceptible in transmitted light Grant 6,752,432 - Richardson June 22, 2 | 2004-06-22 |
| Voltage Controlled Phase Shifter Grant 3,571,732 - Richardson March 23, 1 | 1971-03-23 |
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