Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11538050 | Dynamic survey based on time stamping | — | 2022-12-27 |
| 10089643 | Listener survey tool with time stamping | — | 2018-10-02 |
| 9117198 | Listener survey tool with time stamping | — | 2015-08-25 |
| 6690795 | Multiple keys for decrypting data in restricted-access television system | — | 2004-02-10 |
| 6612083 | System of building construction | — | 2003-09-02 |
| 6069957 | Method and apparatus for providing hierarchical key system in restricted-access television system | — | 2000-05-30 |
| 5753854 | Fire-proof blanket for protection of electrical cable splices having embedded snap | Sherman T. Whipple | 1998-05-19 |
| 5354020 | Cable restraint system | — | 1994-10-11 |