Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5307660 | New water based lubricant composition for cold impact extrusion of spark plug bodies or other metal parts and process | — | 1994-05-03 |
| 4765917 | Water-base metal forming lubricant composition | Shiro Otaki | 1988-08-23 |