Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6053577 | Chair with adjustable armrest | Robert Peter Arko, Eric McClure, Kenneth Penning | 2000-04-25 |
| D393968 | Chair | Kenneth Penning, Robert Peter Arko, Eric McClure, James P. Steffens | 1998-05-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6053577 | Chair with adjustable armrest | Robert Peter Arko, Eric McClure, Kenneth Penning | 2000-04-25 |
| D393968 | Chair | Kenneth Penning, Robert Peter Arko, Eric McClure, James P. Steffens | 1998-05-05 |