Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6260709 | Membrane filter element for chemical-mechanical polishing slurries | Derek Leman | 2001-07-17 |
| 4880441 | Asymmetric gas separation membranes having graded density skins | Robert E. Kesting, Milton K. Murphy, Alan Handerman, Clint A. Cruse, Raymond F. Malon | 1989-11-14 |
| 4871494 | Process for forming asymmetric gas separation membranes having graded density skins | Robert E. Kesting, Milton K. Murphy, Alan C. Handermann, Clint A. Cruse, Raymond F. Malon | 1989-10-03 |
| 4369605 | Methods for preparing tube sheets for permeators having hollow fiber membranes | Edward J. Opersteny | 1983-01-25 |
| 4323454 | Tube sheets for permeators | Harry P. Holladay, Maurice L. Woodcock | 1982-04-06 |