Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7944146 | Photocathode lighting device, method for manufacturing the same and exposure apparatus using photocathode lighting device | Hyo Soo Jeong, Kristopher Warren Keller | 2011-05-17 |
| 6275270 | Video display and image intensifier system | — | 2001-08-14 |
| 5725767 | Torsion resistant filter structure | — | 1998-03-10 |
| 5543862 | Video display and image intensifier system | — | 1996-08-06 |
| 5080770 | Apparatus and method for separating particles | — | 1992-01-14 |
| 5014564 | Eccentric drive mechanism | — | 1991-05-14 |
| 4872988 | Method and device for separation of colloidal suspensions | — | 1989-10-10 |
| 4693802 | Electrically augmented vacuum filtration apparatus for producing a dialyzed cake product | — | 1987-09-15 |
| 4689134 | Non ion selective membrane in an EAVF system | Adam J. Koffler | 1987-08-25 |
| 4679439 | Method and apparatus for measuring the unsteady sedimentation potential of colloidal particles | — | 1987-07-14 |
| 4639300 | Method and apparatus for electrofiltration | — | 1987-01-27 |
| 4615786 | Non ion selective membrane in an EAVF system | Adam J. Koffler | 1986-10-07 |
| 4602989 | Method and apparatus for determining the zeta potential of colloidal particles | — | 1986-07-29 |