Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6308997 | Add-on tamper-resistant lock device for cover | Steven M. McHugh | 2001-10-30 |
| 6067827 | Lock construction | Jeffery R. Sullivan, Thomas R. Lanham | 2000-05-30 |
| 6018969 | Lock construction | Jeffery R. Sullivan | 2000-02-01 |
| 5730567 | Anti-tamper fastener | Brent A. James | 1998-03-24 |