Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4641471 | Fastener for securing roofing material to cementitious roof decks | Kenneth E. Young, Hubert T. Dudley | 1987-02-10 |
| 4641472 | Fastener for securing roofing material to cementitious roof decks having removable tab | Kenneth E. Young, Hubert T. Dudley | 1987-02-10 |
| 4627207 | Fastener for securing roofing material to cementitious roof decks having removable tab | Kenneth E. Young, Hubert T. Dudley, Robert L. Hallock | 1986-12-09 |
| 4189886 | Ventilated insulated roofing system | John L. Wright, Bruce A. Blessington | 1980-02-26 |