Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5893247 | Coping | John B. Hickman, Kevin Pressley, Rick Rhinehart, Curtis Roberts, Don Schultz | 1999-04-13 |
| 5272846 | Roof edge anchoring devices for foam roofing | Tommy D. Kelley, Ralph Kirby, Kevin D. Rogers, Mark D. Braine, Donald W. Schultz +1 more | 1993-12-28 |
| 5230192 | Ventilated roofing system | William C. Webb, Donald W. Schultz, Ralph Kirby, John B. Hickman, Nelson M. Ferg +1 more | 1993-07-27 |
| 5189853 | Edge sealing devices for building structures | Mark D. Braine, Ralph Kirby, Donald W. Schultz, John B. Hickman | 1993-03-02 |
| 5123208 | Reglet assembly with snap-on flashing | Ralph Kirby, Donald W. Schultz, John B. Hickman, Mark D. Braine | 1992-06-23 |
| 4964248 | Coping assembly for a non-uniform parapet wall | Mark D. Braine, Ralph Kirby, Donald W. Schultz, Nelson M. Ferg, John B. Hickman +1 more | 1990-10-23 |