G-14000 |
Design patent # D4,138, June 7, 1870 by J.J.C. Smith. Assigned to Metallic Compression Casting Co. assignor to Russell & Erwin. Easily confused with G-12600 and G-12700. One of eight MCCCo doorknob patents issued to Smith on this date.
|
Dates:C. 1870 |