Title: Patent for an invention by Fred Button Accession Number: Negative Number: 2009-004-Glass Plate 004 Part Of: Fred Button fonds Scope & Content: Item is a negative depicting a patent prepared by Richard B. Owen Specialists in Patent and Trademark Causes, Washington, D.C. for an invention created by Fred Button. Subject Access: ["Patents"] Date: [19] Physical Description: 1 glass plate negative: 18 x 12 cm Responsibility: