Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4304175 | Apparatus for securing a grille to an air conditioning unit | Richard D. Lang | 1981-12-08 |
| 4292815 | Door assembly for a self-contained air conditioning unit | — | 1981-10-06 |