Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10943242 | Interactive marketing system | Venkat Rangamani | 2021-03-09 |
| 10255609 | Interactive marketing system | Venkat Rangamani | 2019-04-09 |
| RE44536 | Filters employing both acidic polymers and physical-adsorption media | Oleg P. Kishkovich, Anatoly Grayfer, William Goodwin, David Ruede | 2013-10-15 |
| 8398753 | System and method for removing contaminants | John E. Sergi, John C. Gaudreau, Oleg P. Kishkovich, William Goodwin | 2013-03-19 |
| 7540901 | Filters employing both acidic polymers and physical-adsorption media | Oleg P. Kishkovich, Anatoly Grayfer, William Goodwin, David Ruede | 2009-06-02 |
| 7092077 | System and method for monitoring contamination | Oleg P. Kishkovich, Anatoly Grayfer, William Goodwin | 2006-08-15 |
| 7022164 | Filters employing porous strongly acidic polymers | Oleg P. Kishkovich, Robert W. Rezuke | 2006-04-04 |
| 7014693 | Filters employing both acidic polymers and physical-adsorption media | Oleg P. Kishkovich, Anatoly Grayfer, William Goodwin, David Ruede | 2006-03-21 |
| 6761753 | Methods using filters employing both acidic polymers and physical-adsorption media | Oleg P. Kishkovich, Anatoly Grayfer, William Goodwin, David Ruede | 2004-07-13 |
| 6759254 | System and method for determining and controlling contamination | Oleg P. Kishkovich, Mark C. Phelps, William Goodwin | 2004-07-06 |
| 6740147 | Filters employing both acidic polymers and physical-adsorption media | Oleg P. Kishkovich, Anatoly Grayfer, William Goodwin, David Ruede | 2004-05-25 |
| 6620630 | System and method for determining and controlling contamination | Oleg P. Kishkovich, Anatoly Grayfer, William Goodwin | 2003-09-16 |
| 6296806 | Protection of semiconductor fabrication and similar sensitive processes | Oleg P. Kishkovich | 2001-10-02 |
| 6096267 | System for detecting base contaminants in air | Oleg P. Kishkovich | 2000-08-01 |
| 5856198 | Performance monitoring of gas-phase air filters | Michael A. Joffe | 1999-01-05 |
| 5833726 | Storing substrates between process steps within a processing facility | Michael A. Joffe | 1998-11-10 |
| 5626820 | Clean room air filtering | Robert W. Rezuke, John K. Higley | 1997-05-06 |
| 5607647 | Air filtering within clean environments | — | 1997-03-04 |
| 5582865 | Non-woven filter composite | Robert W. Rezuke | 1996-12-10 |
| 5462485 | Controlling air quality | — | 1995-10-31 |