Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6876744 | Methods and apparatus for enhanced CMEA including a CMEA iteration preceded and followed by transformations and employing an involuntary lookup | Mark H. Etzel, Robert John Frank, Daniel Nelson Heer, Robert Joseph McNelis, Semyon B. Mizikovsky +1 more | 2005-04-05 |
| 6418224 | Methods and apparatus for self-inverting multiple-iteration CMEA crypto-processing for improved security for wireless telephone messages | Mark H. Etzel, Robert John Frank, Daniel Nelson Heer, Robert Joseph McNelis, Semyon B. Mizikovsky +1 more | 2002-07-09 |
| 6377687 | Methods and apparatus for enhanced CMEA employing enhanced transformations | Mark H. Etzel, Robert John Frank, Daniel Nelson Heer, Robert Joseph McNelis, Semyon B. Mizikovsky +1 more | 2002-04-23 |
| 6266411 | Method and apparatus for multiple-iteration CMEA encryption and decryption for improved security for wireless telephone messages | Mark H. Etzel, Robert John Frank, Daniel Nelson Heer, Robert Joseph McNelis, Semyon B. Mizikovsky +1 more | 2001-07-24 |
| 6233337 | Methods and apparatus for enhanced security expansion of a secret key into a lookup table for improved security for wireless telephone messages | Mark H. Etzel, Robert John Frank, Daniel Nelson Heer, Robert Joseph McNelis, Semyon B. Mizikovsky +1 more | 2001-05-15 |