Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5894663 | Method for forming a ball value assembly | Robert J. Evans, Mark W. Schuller, Kraig A. Biberstein | 1999-04-20 |
| 5857663 | Ball valve assembly and method for forming | Robert J. Evans, Mark W. Schuller, Kraig A. Biberstein | 1999-01-12 |
| 5735047 | Ball valve assembly and method for forming | Robert J. Evans, Mark W. Schuller, Kraig A. Biberstein | 1998-04-07 |