Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5150928 | Coupling sleeve for connection of a branch pipe to a main pipe | Bernhard Lodder, Berend Jan Van Dijk, Albertus A. Oostenbrink | 1992-09-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5150928 | Coupling sleeve for connection of a branch pipe to a main pipe | Bernhard Lodder, Berend Jan Van Dijk, Albertus A. Oostenbrink | 1992-09-29 |