Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800684 | Apparatus for grinding and lapping sealing surfaces in slide valves and the like in situ or in the workshop | — | 1989-01-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800684 | Apparatus for grinding and lapping sealing surfaces in slide valves and the like in situ or in the workshop | — | 1989-01-31 |