Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4986050 | Modular support system for a filter-type ceiling grid | Eric Johnson, Laura Martz | 1991-01-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4986050 | Modular support system for a filter-type ceiling grid | Eric Johnson, Laura Martz | 1991-01-22 |