Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5480056 | Plunger for drum liner removal | Earl V. Lind, Philip D. Bartlett | 1996-01-02 |
| 5328104 | Process for recycling contaminated drums | Earl V. Lind, Philip D. Bartlett | 1994-07-12 |
| 5284998 | Drum and process for handling drum liners | Earl V. Lind, Philip D. Bartlett | 1994-02-08 |
| 5265751 | Safety container | Earl V. Lind, Philip D. Bartlett, Michael R. McGrath | 1993-11-30 |
| 5222620 | Drum liner locking and locating assembly | Earl V. Lind | 1993-06-29 |
| 5147060 | Safety container | Earl V. Lind, Philip D. Bartlett, Michael R. McGrath | 1992-09-15 |