Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5449204 | Double containment fitting | Karen C. Greene | 1995-09-12 |
| 5419593 | Interlocking union for double containment pipe | Karen C. Greene | 1995-05-30 |
| 5368338 | Interlocking union system for double containment pipe | Karen C. Greene | 1994-11-29 |