Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622471 | Method and apparatus for opening and emptying bags containing recyclable materials | Edward J. Sommer, Jr. | 1997-04-22 |
| 5555984 | Automated glass and plastic refuse sorter | Edward J. Sommer, Jr., Michael A. Kittel | 1996-09-17 |
| 5419670 | Method and apparatus for opening and emptying bags containing recyclable materials | Edward J. Sommer, Jr. | 1995-05-30 |
| 4977837 | Process and apparatus for reducing heavy metal toxicity in fly ash from solid waste incineration | Charles E. Roos | 1990-12-18 |