Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5287668 | Apparatus and method for refurbishing a ceiling grid to permit installation of ceiling panels | David L. Dall | 1994-02-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5287668 | Apparatus and method for refurbishing a ceiling grid to permit installation of ceiling panels | David L. Dall | 1994-02-22 |