Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5121602 | Pollution control apparatus | — | 1992-06-16 |
| 4766283 | Apparatus for attaching insulation to duct work | Timothy R. McCorvey | 1988-08-23 |
| 4395894 | Automatic closing machine for sheet metal joints | — | 1983-08-02 |