Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10302605 | Column assembly for a gas chromatograph | — | 2019-05-28 |
| 6682699 | Reduced power consumption gas chromatograph system | James F. Everson | 2004-01-27 |
| 6530260 | Gas chromatography analysis system | John P. Richards, James F. Everson | 2003-03-11 |
| 6490852 | Electrically insulated gas chromatograph assembly and method of fabricating same | John P. Richards | 2002-12-10 |
| 6223584 | System and method for vapor constituents analysis | John P. Richards | 2001-05-01 |
| 6217829 | Reduced power consumption gas chromatograph system | James F. Everson | 2001-04-17 |
| 6209386 | Electrically insulated gas chromatograph assembly and method of fabricating same | John P. Richards | 2001-04-03 |
| 5932397 | Multicolor lithography for control of three dimensional refractive index gradient processing | — | 1999-08-03 |
| 5782964 | Gas chromatography column assembly temperature control system | — | 1998-07-21 |
| 4479795 | Antimicrobial polymer compositions | Donald S. Lucas, Roger L. Stone | 1984-10-30 |
| 4410442 | Disinfecting solutions for hydrophilic contact lenses | Donald S. Lucas, Roger L. Stone | 1983-10-18 |
| 4343788 | Antimicrobial polymer compositions | Donald S. Lucas, Roger L. Stone | 1982-08-10 |