McGrogan, Jr.; Ellwood Patrick
Patent Applications and Registrations
Patent applications and USPTO patent grants for McGrogan, Jr.; Ellwood Patrick.The latest application filed is for "programmable telecommunications security module for key encryption adaptable for tokenless use".
- McGrogan, Jr.; Ellwood Patrick - Cherry Hill NJ
- McGrogan, Jr.; Ellwood Patrick - Camden NJ
| Patent | Date |
|---|---|
| Programmable telecommunications security module for key encryption adaptable for tokenless use Grant 6,151,677 - Walter , et al. November 21, 2 | 2000-11-21 |
| Delta modulator utilizing a duty cycle circuit Grant 3,879,663 - McGrogan, Jr. April 22, 1 | 1975-04-22 |
| Detector For Repetitive Digital Codes Grant 3,863,215 - McGrogan, Jr. January 28, 1 | 1975-01-28 |
| Constant Current Circuit Grant 3,784,844 - McGrogan, Jr. January 8, 1 | 1974-01-08 |
| Comparator Circuit Grant 3,676,702 - McGrogan, Jr. July 11, 1 | 1972-07-11 |
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