Patents That Shaped American Locksmithing, Part 5: Osbourn Dorsey’s 2-For-1
Patent Number: 210,764 (Google Patents) Issue Date: December [...]
Medeco Turns 50
On Saturday, Medeco celebrated 50 years in business with a [...]
Locksmith News – 4/23/2018
Today we're introducing a new feature to our website: weekly [...]
Patents That Shaped American Locksmithing, Part 4: The Sidebar Lock
Patent Number: 167,088 (Google Patents) Issue Date: August [...]
Patents That Shaped American Locksmithing, Part 3: Walter R. Schlage’s Cylindrical Lock
Patent Number: 1,674,841 (Google Patents) Filing Date: August [...]
Patents That Shaped American Locksmithing, Part 2: Frank Ellison Best’s Interchangeable Core
Patent Number: 1,561,771 (Google Patents) Filing Date: March 18, 1922 [...]
Patents That Shaped American Locksmithing, Part 1: Medeco Original
Patent Number: 3,499,302 (Google Patents) Filing Date: March [...]