Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6020401 | Acrylic resins as binders for gravure printing inks | Charles G. Ruffner, Jacqueline Hahn, J. George Hayden, G. Frederick Hutter | 2000-02-01 |
| 5166256 | Modified rosin esters and their use in printing inks | Henry G. Boswell, John Thomas, Joseph W. LeVine | 1992-11-24 |
| 5166257 | Modified rosin esters and their use in printing inks | Henry G. Boswell, John Thomas, Joseph W. LeVine | 1992-11-24 |
| 5166258 | Modified rosin esters and their use in printing inks | Henry G. Boswell, John Thomas, Joseph W. LeVine | 1992-11-24 |
| 5166262 | Modified rosin esters and their use in printing inks | Henry G. Boswell, John Thomas, Joseph W. LeVine | 1992-11-24 |
| 5164446 | Modified rosin esters and their use in printing inks | Henry G. Boswell, John Thomas, Joseph W. LeVine | 1992-11-17 |