Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357720 | Skylight sill with built-in reglet for removable flashing | William F. O'Keeffe | 1994-10-25 |
| 4761919 | Multiple skylight guttering system | William F. O'Keeffe | 1988-08-09 |
| 4761927 | Panelized enclosure system with reverse camber seal | William F. O'Keeffe | 1988-08-09 |
| 4601143 | Fire rated wall/door system | William F O'Keefe | 1986-07-22 |
| 4539783 | Barrell vault skylight system | William F. O'Keeffe | 1985-09-10 |