Piccardi
{{PatentInfo |Inventor=Samuel A. Neidich |Assignee=Samuel A. Neidich |Country=US |ApplicationNum=333356 |ApplicationDate=1929-01-18 |PatentNum=1902573 |PatentDate=1933-03-21 |PriorityDate=1929-01-18 |Titolo=Method for forming tubes of celluloid and the...