Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5403232 | Utility distribution system for furniture | Randall S. Helm | 1995-04-04 |
| 5358444 | Workstation ventilation system | Randall S. Helm | 1994-10-25 |
| 5056195 | Mineral fiber collection process and device | Hans Furtak | 1991-10-15 |