Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5954371 | Plastic lined fittings for use with flangeless piping systems | Mark A. Koke, James A. Yanacek, Gerald A. Miller | 1999-09-21 |
| 5730472 | Flangeless pipe joint and a process for manufacturing such a joint | Michael F. Jeglic, Dennis A. Huggard | 1998-03-24 |
| 4499749 | Tubing perforator | Robert A. Hay, II | 1985-02-19 |