Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6604962 | Plug for connection to an RCA or phono type socket | Keith Louis Eichmann | 2003-08-12 |
| 6495763 | Specific cable ratio for high fidelity audio cables | Keith Louis Eichmann | 2002-12-17 |