Design patent # D4,138, June 7, 1870 by J.J.C. Smith.Assigned to Metallic Compression Casting Co. assignor to Russell & Erwin.Easily confused withG-12600andG-12700. One of eight MCCCo doorknob patents issued to Smith on this date.
Specifications
School / Style
ClassicManufacturer
MCCCo/Russell & ErwinCirca Dates
C. 1870
Classification
Category G
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