Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5710361 | In-situ treatment of waste stacks, soils or earth materials to immobilize metals contained therein | Joseph G. Harrington, Roger B. Humberger, Michael Orr | 1998-01-20 |
| 5632715 | In situ immobilization of metals in waste stacks and waste stack affected zones | Joseph G. Harrington, Roger B. Humberger, Michael Orr | 1997-05-27 |
| 4655487 | Garage door bolt with stationary protective cover | Julius A. Korn | 1987-04-07 |