Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7306637 | Anionic abrasive particles treated with positively charged polyelectrolytes for CMP | Isaac K. Cherian, Phillip W. Carter, Jeffrey P. Chamberlain, Kevin Moeggenborg | 2007-12-11 | $15,588,000 |
| 6872328 | Method of polishing or planarizing a substrate | James A. Dirksen, Gautam S. Grover | 2005-03-29 | $11,179,000 |
| 6776810 | Anionic abrasive particles treated with positively charged polyelectrolytes for CMP | Isaac K. Cherian, Phillip W. Carter, Jeffrey P. Chamberlain, Kevin Moeggenborg | 2004-08-17 | $11,583,000 |
| 4949736 | Variable ventilation mouthpiece for a smoking article | Donald L. Roberts | 1990-08-21 | |
| 4867182 | Temperature/humidity controlled valve for a smoking article | Donald L. Roberts | 1989-09-19 |