Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488802 | Pipe extrusion process | J. Keith Beasley | 2002-12-03 |
| 6105649 | Pipe extrusion apparatus including winding a hollow profile | J. Keith Beasley | 2000-08-22 |
| 5958172 | Joints for polymeric pipe | — | 1999-09-28 |
| 5776293 | Joints for polymeric pipe | — | 1998-07-07 |
| 5362114 | Pipe joint and method for forming same for threaded connection of profile pipe | — | 1994-11-08 |