Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7796758 | Method and apparatus for securing transmission on a speakerphone or teleconference call | Eric John Diethorn, Lawrence O'Gorman | 2010-09-14 |
| 5529431 | Temporary manhole cover and method | — | 1996-06-25 |