Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664111 | Fluorescence based oxygen sensor systems | James G. Bentsen, Ralph R. Roberts, Orlin B. Knudson, Michael John Rude | 2003-12-16 |
| 6645898 | Method for purification of lens gases used in photolithography | Jeffrey J. Spiegelman | 2003-11-11 |
| 6638341 | Method for rapid activation or preconditioning of porous gas purification substrates | Jeffrey J. Spiegelman, Joshua T. Cook | 2003-10-28 |
| 6524544 | Self-regenerative process for contaminant removal from ammonia | Jeffrey J. Spiegelman | 2003-02-25 |