Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7210274 | Door stile structure | Mark Ballantyne, Douglas R. Smith | 2007-05-01 |
| 6358593 | Door lamination structure | Douglas R. Smith | 2002-03-19 |
| 5918434 | Simulated panel door structure and method | Mark Ballantyne, Douglas R. Smith | 1999-07-06 |