Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6855901 | Process and apparatus for spectroscopic identification and sorting of barrier materials | Robert D. Guenard, Muhammad A. Shafi, Terry W. Glass, Mary Anne Leugers, Edward J. Sommer, Jr. | 2005-02-15 |
| 6313423 | Application of Raman spectroscopy to identification and sorting of post-consumer plastics for recycling | Edward J. Sommer, Jr. | 2001-11-06 |
| 5356464 | Aqueous ink compositions containing anti-curl agents | Mark Hickman, Loren E. Johnson, John L. Stoffel, Ronald A. Askeland, Catherine B. Hunt +4 more | 1994-10-18 |