Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8689993 | System and method for holding a hazardous substance | Leon M. Levy, Michael W. McCarthy, Joseph S. Oberweis, Steven D. Koszola | 2014-04-08 |
| 8308013 | System and method for holding a hazardous substance | Leon M. Levy, Michael W. McCarthy, Joseph S. Oberweis, Steven D. Koszola | 2012-11-13 |