Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300777 | Ceiling-mounted outlet box for conditioned air | David W. Bales | 1989-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300777 | Ceiling-mounted outlet box for conditioned air | David W. Bales | 1989-04-18 |