Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6932486 | Mortise lock with lighted trim plate sign | Jay Krajewski | 2005-08-23 |
| 6880872 | Lever handle return spring assembly | Daniel R. Seymour, Todd Zimmer | 2005-04-19 |
| 6860129 | Security classroom function lock mechanism | David A. Sorenson, Todd Zimmer | 2005-03-01 |