Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6228204 | Method and apparatus for welding together fluoropolymer pipe liners | Walther C. Reinhardt, Ray A. Lewis | 2001-05-08 |
| 6223995 | Method for cooling golf greens and other vegetation | James M. Evans, Joseph Mark VanderKelen | 2001-05-01 |