Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4752316 | Apparatus and processes for compressing and/or biodigesting material | Charles J. Plovanich, Guy H. Ossont, Keith C. King, Walter V. Knopp | 1988-06-21 |
| 4683814 | Apparatus and processes for compressing and/or biodigesting material | Charles J. Plovanich, Guy H. Ossont, Keith C. King, Walter V. Knoop | 1987-08-04 |