Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5272882 | Portable recycle/recovery/charging system with reconfigurable components | Richard L. Groth, Stephen T. Kerr, Ralph C. Mullally, Patrick D. Pruse, Robert Roth | 1993-12-28 |