Aluminum push pins pdf#

229910000831 Steel Inorganic materials 0.000 description 8.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Lewis S Krantz filed Critical Lewis S Krantz Priority to US694441A priority Critical patent/US1991561A/en Application granted granted Critical Publication of US1991561A publication Critical patent/US1991561A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US694441A Inventor Lewis S Krantz Original Assignee Lewis S Krantz Priority date (The priority date is an assumption and is not a legal conclusion.

Aluminum push pins pdf#

Download PDF Info Publication number US1991561A US1991561A US694441A US69444133A US1991561A US 1991561 A US1991561 A US 1991561A US 694441 A US694441 A US 694441A US 69444133 A US69444133 A US 69444133A US 1991561 A US1991561 A US 1991561A Authority US United States Prior art keywords pin head celluloid push flexible Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.