Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6516581 | Wall angle for use in suspended ceiling grid structure and including multi-purpose measurement indicia | William A. Paul | 2003-02-11 |
| 6516582 | Wall angle for use in suspended ceiling grid structure and including multi-purpose measurement indicia such as differently configured indentation or punch-out portions | William A. Paul | 2003-02-11 |
| 6477815 | Suspended ceiling grid structure with main runners incorporating coded matching indicia for receiving cross runners in desired spaced apart fashion | William A. Paul | 2002-11-12 |