Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4589628 | Unitary bearing and locator assembly for rotatable valves | James E. Barker | 1986-05-20 |
| 4487216 | Valve seal for fire safe or high temperature valves | James E. Barker | 1984-12-11 |