Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5517788 | Adjustable threshold assembly with water-tight seal | Haik Khanlarian | 1996-05-21 |
| 5230181 | Adjustable threshold assembly with water-impervious seal | David C. Geoffrey | 1993-07-27 |