Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5730472 | Flangeless pipe joint and a process for manufacturing such a joint | Brian W. Krause, Dennis A. Huggard | 1998-03-24 |
| 5634672 | Flangeless pipe joint | Eugene V. Stack | 1997-06-03 |
| 4778615 | Composition for treating particulate materials and a method for treating particles | — | 1988-10-18 |