PORTAFUCILI PER SCOPI DI FORMAZIONE BREVETTO. STOKES, NEW YORK, USA. 1924
PATENT SPECIFICATION No.210,334. APPLICATION DATE: April 23rd, 1923. SPECIFICATION ACCEPTED: January 31st, 1924. Size: 195mmx270mm. of pages of text: 4. of pages of drawings: 1. Size of page of drawing/s: 300mmx225mm.