Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9127505 | Plate for protecting door edge adjacent hardware | David W. Allen | 2015-09-08 |
| 7134246 | Method and apparatus for reinforcing a door assembly | David W. Allen | 2006-11-14 |
| 6901706 | Door hardware interconnected with overlying reinforcement plate | David W. Allen | 2005-06-07 |
| 6679004 | Decorative cover for retrofit door reinforcement plate | David W. Allen | 2004-01-20 |
| 6430876 | Door hardware interconnected with overlying reinforcement plate | David W. Allen | 2002-08-13 |
| 6305127 | Door reinforcement assembly | David W. Allen | 2001-10-23 |
| 6185881 | Method and apparatus for reinforcing a door assembly | David W. Allen | 2001-02-13 |
| 6085465 | Strike plate for a door assembly | David W. Allen | 2000-07-11 |