Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4969959 | Methods for enhancing the thermal quenching of a metal surface | Joseph M. Marr | 1990-11-13 |
| 4758359 | Aqueous metal working lubricant containing a complex phosphate ester | Thomas E. Kirk | 1988-07-19 |
| 4654155 | Microemulsion lubricant | Egbert M. Kipp | 1987-03-31 |
| 4636321 | Water soluble lubricant | Egbert M. Kipp, Thomas E. Kirk | 1987-01-13 |