Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11074893 | Tuning assembly for stringed instrument | — | 2021-07-27 |
| 7884432 | Apparatus and methods for shielding integrated circuitry | Vasiliy Borozdin, Yuliy Lieb | 2011-02-08 |
| 6913029 | Multiple contents container assembly for ultrapure solvent purging | David A. Roberts, George Oleg Voloshin | 2005-07-05 |
| 6840252 | Multiple contents container assembly for ultrapure solvent purging | David A. Roberts, George Oleg Voloshin | 2005-01-11 |
| 6838573 | Copper CVD precursors with enhanced adhesion properties | Morteza Farnia, James Richard Thurmond, John Anthony Thomas Norman | 2005-01-04 |
| 6837251 | Multiple contents container assembly for ultrapure solvent purging | David A. Roberts, George Oleg Voloshin | 2005-01-04 |
| 6534666 | Use of water and acidic water to purify liquid MOCVD precursors | James Richard Thurmond, David A. Roberts | 2003-03-18 |
| 6526824 | High purity chemical container with external level sensor and liquid sump | Geoffrey L. Chase, John Eric Baker, Lee Senecal, David A. Roberts | 2003-03-04 |
| 6431229 | Solventless purgeable diaphragm valved manifold for low vapor pressure chemicals | Charles Michael Birtcher, Thomas Andrew Steidl, Gil Vivanco, Cynthia Lee Trent, David Silva | 2002-08-13 |
| 6341615 | Self-cleaning vacuum purge system | David Silva | 2002-01-29 |
| 6138691 | Solvent purge mechanism | George Oleg Voloshin | 2000-10-31 |
| 5964230 | Solvent purge mechanism | George Oleg Voloshin | 1999-10-12 |