Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7530519 | Vertically adjustable device for suspending an article from a ceiling | Pierre McDuff | 2009-05-12 |
| 6676350 | Threaded ceiling hook with anti rotation washer | Thomas W. McSherry, Pierre McDuff, Andre C. Bouchard, Michel Villagrasa | 2004-01-13 |
| D457419 | Ceiling hook | Thomas W. McSherry, Pierre McDuff, Andre C. Bouchard, Michel Villagrasa | 2002-05-21 |