On September 20, 1994, Rowland Carson posted a list of the 39 most used gauge systems in use worldwide:
Of these Birmingham still features with the following:
US Patent Issued to Lineage Power on Sept. 18 for "System and Method of Determining Latent Failures in Telephone Wire-Pair Power Distribution" (Texas Inventors)
Sep 23, 2012; ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 8,270,572, issued on Sept. 18, was assigned to Lineage Power Corp. (Plano,...
US Patent Issued to AT&T Intellectual Property I on March 12 for "Multiple Channel System for a Twisted Pair Telephone Wire Local Loop System" (Colorado, Illinois Inventors)
Mar 12, 2013; ALEXANDRIA, Va., March 12 -- United States Patent no. 8,396,077, issued on March 12, was assigned to AT&T Intellectual Property I...