Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5763371 | Ethylene compressor lubricant containing phospate ester of a monoglyceride or diglyceride | Anna Debska-Chwaja, Paul G. Tietze | 1998-06-09 |
| 4345376 | Cutter for thick wall plastic pipe | James F. Willats | 1982-08-24 |