Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5709242 | Device for blocking a liquid flow through a pipe in one direction | — | 1998-01-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5709242 | Device for blocking a liquid flow through a pipe in one direction | — | 1998-01-20 |