Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886241 | Valve stem packing containment for high pressure, high temperature | James Davis | 1989-12-12 |
| D304296 | Combined bottle and handle | Wayne Hayes | 1989-10-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886241 | Valve stem packing containment for high pressure, high temperature | James Davis | 1989-12-12 |
| D304296 | Combined bottle and handle | Wayne Hayes | 1989-10-31 |