Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5895079 | Threaded connections utilizing composite materials | Kenneth J. Carstensen, John P. Biro | 1999-04-20 |
| 5566985 | Fiberglass pipe with rough wrench surfaces | John P. Biro | 1996-10-22 |