Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351485 | Shredding machines | John P. Hardwick, Michael J. Pezet, Dayananda Satharasinghe | 1982-09-28 |
| 4349159 | Shredding machines | John P. Hardwick, Michael J. Pezet, Dayananda Satharasinghe | 1982-09-14 |
| 4334650 | Shredding machines | John P. Hardwick, Michael J. Pezet, Dayananda Satharasinghe | 1982-06-15 |