Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7770867 | Plug valve with flow area equal to or greater than the flow area of the connected piping | Albert W. Libke | 2010-08-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7770867 | Plug valve with flow area equal to or greater than the flow area of the connected piping | Albert W. Libke | 2010-08-10 |