Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9614970 | Telephone conferencing apparatus | Brandon Gramse | 2017-04-04 |
| 4702046 | Acoustical wall panel | Per Haugen, Harold M. Haugen | 1987-10-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9614970 | Telephone conferencing apparatus | Brandon Gramse | 2017-04-04 |
| 4702046 | Acoustical wall panel | Per Haugen, Harold M. Haugen | 1987-10-27 |