<human>: Question: When was the double indirect method invented?

Is This method was created in 1989 by Maurizio Placuzzi and registered for industrial use (patent n. 0000222556) under the name of his company, Sicis International Srl, now Sicis The Art Mosaic Factory Srl. a good answer to this question?

OPTIONS:
- yes
- no
<bot>: yes