Northwest Pipe Company
Utility Patents
Last updated:
List of all Northwest Pipe Company patents 2 in total
Status | Patent |
---|---|
Grant | Utility: Pipe joint Filling date: 6 Sep 2025 Issue date: 3 Nov 2020 |
Grant | Utility: Pipe ram joint Filling date: 6 Sep 2025 Issue date: 14 Apr 2020 |
Showing 1 to 2 of 2 patents.