Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4537104 | Cutting head for filter assembler | Joseph D. DiGiacomo, Clifford R. Marritt | 1985-08-27 |
| 4370908 | Cutting head for filter assembler | Joseph D. DiGiacomo, Clifford R. Marritt, Edward G. Preston | 1983-02-01 |