Barney; Walter W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Barney; Walter W..The latest application filed is for "card coding and read-out system".
- Barney; Walter W. - Encino CA
| Patent | Date |
|---|---|
| Card Coding And Read-out System Grant 3,835,301 - Barney September 10, 1 | 1974-09-10 |
| Coded Magnetic Card And System For Encoding And Sensing The Same Grant 3,788,617 - Barney January 29, 1 | 1974-01-29 |
| Magnetically Coded Card Structure Grant 3,651,312 - Barney March 21, 1 | 1972-03-21 |
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