Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338653 | Lock cores and keys | Christopher Case, Jeffery Brannum | 2025-06-24 |
| 4650384 | Expansion anchor | Robert W. Limbrick | 1987-03-17 |
| 4613264 | Anchor bolt | Robert W. Limbrick | 1986-09-23 |