Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5468401 | Carrier-free metalworking lubricant and method of making and using same | Andrew F. Lum, John M. Hogan, Richard A. Persinger, James F. Miller, Ramesh A. Navaratnam | 1995-11-21 |
| 4758358 | Environmentally acceptable forging lubricants | Andrew F. Lum, Ricardo J. Simmons | 1988-07-19 |