Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7681929 | Pipe coupler for metal to plastic pipe | — | 2010-03-23 |
| 6302452 | Pipe connector system with interchangeable connector assemblies | — | 2001-10-16 |
| 6276727 | Slip-on compression coupling for thermoplastic pipe | — | 2001-08-21 |
| 5967566 | Light-weight, slip-on pipe flange | — | 1999-10-19 |
| 5413389 | Cast convoluted piping flange | — | 1995-05-09 |
| 4458924 | Bimetal flange connector | — | 1984-07-10 |