Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4650409 | Apparatus for uniformly distributing a disintegrated fibrous material on a fiber layer forming surface in plants for the dry forming of paper | Ugo Nistri, Giuseppe Ghisu, Enzo Chiellini, Giorgio Padula, Giorgio Fonzi | 1987-03-17 |
| 4591450 | Process for the preparation of a bleaching activator in granular form | Ugo Nistri, Paolo Colombo | 1986-05-27 |
| 4583698 | Web-winding machine for winding paper webs onto cardboard cores or the like | Ugo Nistri, Giuseppe Ghisu | 1986-04-22 |