Levien; Jack R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Levien; Jack R..The latest application filed is for "encryption of signals to insure viewership of commercials".
- Levien; Jack R. - McDowell VA
| Patent | Date |
|---|---|
| Encryption of signals to insure viewership of commercials Grant 5,555,308 - Levien September 10, 1 | 1996-09-10 |
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