Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5976292 | Roofing seam installation process and products for the production of a seamed roof | Daniel Leon Barksdale, James E. Burkett, Joseph John Kalwara | 1999-11-02 |
| 5520761 | Roofing seam installation process | Joseph John Kalwara, Daniel Leon Barksdale | 1996-05-28 |
| 4810565 | Fire retardant elastomeric EPDM roof sheeting and flashing composites | William Wasitis | 1989-03-07 |