Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5758573 | Paperboard carton piercing, crushing and recycling system | Donald E. Keeler, Richard J. Connor, Fred Karsa, Wilfred A. Cote | 1998-06-02 |
| 5513804 | Method for recycling solid waste using a decentralized recycling system | Donald E. Keeler, Gabor Ban, Richard J. Connor, Frederick Karsa, John J. Fasolo | 1996-05-07 |
| 5433390 | Decentralized solid waste recycling systems | Donald E. Keeler, Gabor Ban, Richard J. Connor, Frederick Karsa, John J. Fasolo | 1995-07-18 |
| 4846915 | Apparatus for indexing and feeding a fitment web and related method | Donald E. Keeler, Edward Bombolevich | 1989-07-11 |
| 4708261 | Packaging clip dispenser | — | 1987-11-24 |