Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5989235 | Ostomy bag | Livio Buongiorno, Vittorio Perego | 1999-11-23 |
| RE35285 | Thermoplastic multi-layer packaging film and bags made therefrom | Richard S. Williams | 1996-06-25 |
| 4801486 | Thermoplastic multi-layer packaging film and bags made therefrom | Richard S. Williams | 1989-01-31 |
| 4568580 | Laminated packaging films and related articles of manufacture having improved resistance to heat treatment | Ezio Ghirardello, Paolo Colombo, Francesco Pezzana | 1986-02-04 |
| 4551125 | Apparatus for making multi-walled plastic bags | Francesco Pezzana | 1985-11-05 |
| 4481669 | Multi-walled plastics bag | Francesco Pezzana | 1984-11-06 |
| 4273549 | Process for making multi-walled plastic bag | Francesco Pezzana | 1981-06-16 |