Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5749434 | Roof edge protection system | James R. Limbird, Arthur C. Herner | 1998-05-12 |
| 5694720 | Standing clamp for standing seam roof | James R. Limbird | 1997-12-09 |
| 5497851 | Pivoting work platform | Arthur C. Herner | 1996-03-12 |
| 5433044 | Safety clamp for standing seam roof | James R. Limbird | 1995-07-18 |