[foogallery id=”2544″] Walter Schlage patented his unique wafer lock system in 1927 (Patent No. 1,691,529). At the time the design was quite innovative. It…
If you haven’t already, take a moment to stop by our Key Bitting Specifications page in the Tools section. For those new to locksmithing or…
Here are a few video tutorials related to the servicing and pinning small format interchangeable cores. This first video allows you to create a pinning…
[foogallery id=”1075″] Patent Number: 1,561,771 (Google Patents) Filing Date: March 18, 1922 Issue Date: November 17, 1925 Inventor(s): Frank E. Best Background Frank Ellison Best was a high school…