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, Gerald A. Miller, Brian W. Krause | 1999-09-21 |
| 5277951 | Marking of lined pipe segments, fittings, or valves | Arthur W. Hope | 1994-01-11 |
| 4743642 | Color balanced rubber-reinforced plastic | Robert J. Donald, Christopher S. Murphy | 1988-05-10 |