Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661880 | System and method for embedding digital information in a dial tone signal | Spiro Poulis, Ned D. Plasson, Jeffrey A. Hanline | 2003-12-09 |
| 6616403 | Floating electric generator | Spencer Smith | 2003-09-09 |