Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7588683 | Column for liquid chromatography with adjustable compression | Frank M. Willis | 2009-09-15 |
| 7101477 | Liquid chromatography column having metal to metal seals | Frank M. Willis | 2006-09-05 |
| 6679989 | Integral, thru-bore, direct coupled high pressure liquid chromatography guard column | Frank M. Willis | 2004-01-20 |