Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6533331 | Coupling device and method for fabricating a grip ring to be used in such a coupling device | Michel Paul Hulsebos | 2003-03-18 |
| 6481755 | Coupling device and method for fabricating a grip ring to be used in such a coupling device | Michel Paul Hulsebos | 2002-11-19 |
| 6257628 | Coupling device | — | 2001-07-10 |