Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8991869 | Tube coupling apparatus having liquefiable metal sealing layer | Lawrence J. Pionke | 2015-03-31 |
| 8317233 | Tube coupling apparatus having liquefiable metal sealing layer | Lawrence J. Pionke | 2012-11-27 |