Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679632 | Movie film cleaning solvent comprising n-propylbromide | Burnell Lee | 1997-10-21 |
| 5669985 | Movie film cleaning process | Burnell Lee | 1997-09-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679632 | Movie film cleaning solvent comprising n-propylbromide | Burnell Lee | 1997-10-21 |
| 5669985 | Movie film cleaning process | Burnell Lee | 1997-09-23 |