Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810381 | Composite chromatographic article | Donald F. Hagen, Steven J. St. Mary, Louis A. Errede | 1989-03-07 |
PC
Peter W. Carr
Overall (1989): #70,089 of 140,708Top 50%
1
Patents 1989