Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10284703 | Portable full duplex intercom system with bluetooth protocol and method of using the same | Jeff Theisen | 2019-05-07 |
| 5817184 | Industrial cleaning apparatus and method | — | 1998-10-06 |