Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5477886 | Inflatable closing plug for pipes and method of manufacturing same | Frederik Johan Govaert | 1995-12-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5477886 | Inflatable closing plug for pipes and method of manufacturing same | Frederik Johan Govaert | 1995-12-26 |