Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637354 | Method and liquid composition for the production of indelible script on a paper substrate | — | 1997-06-10 |
| 5607674 | Use of Tarchonanthus camphoratus for repelling insects and alleviating edema, congestion and irritation of the skin | Guido Rovesti, Pietro La Fratta, Michele Giuseppe Di Schiena | 1997-03-04 |