Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5047125 | Fractionating column control apparatus and methods | Patricia A. Meier, W. Jeff Meier | 1991-09-10 |
| 4889600 | Fractionating column control apparatus and methods | Patricia A. Meier, W. Jeff Meier | 1989-12-26 |