Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831236 | Apparatus for clearing a cellulose ester filter | Henry P. Lentz, Larry Delaney, Richard J. Lee, Dan H. Lang | 1989-05-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831236 | Apparatus for clearing a cellulose ester filter | Henry P. Lentz, Larry Delaney, Richard J. Lee, Dan H. Lang | 1989-05-16 |