In 1975, Coggs became a tenured professor of radiology at the University of Texas Health Science Center in San Antonio, Texas. In 1983, Coggs founded the San Antonio Breast Evaluation Center, which served as the role model for Breast Cancer Disease Diagnostic Centers across the U.S. he was inventor and patent owner of a non-invasive patented device for Breast Cancer Detection. The device, the portable "precision breast lesion localizer", was designed to precisely position a probe tip relative to a target lesion in a bodily protuberance. Coggs also invented a central x-ray beam guided breast biopsy system attached to a standard mammography machine; the system enhances precise, accurate breast biopsies.Porter Loring Mortuaries. "Obituary for Dr. Granville Coleridge Coggs, July 30, 1925 - May 6, 2019, San Antonio, Texas | Age 93, A True American Hero." http://porterloring.tributes.com/obituary/show/Granville-Coleridge-Coggs-107088845Smithsonian Magazine. "Granville Coggs Fought Racism in the Military as a Tuskegee Airman: Coggs, who died on May 7, at the age of 93, was among the first black aviators in the U.S. Army Air Corps." https://www.smithsonianmag.com/smart-news/granville-coggs-who-fought-racism-military-tuskegee-airman-has-died-180972157/Breaking Barriers: Aetna Calendar. "Granville C. Coggs." http://breakingbarriers.aetna.com/assets/bios/17-Breaking-Barriers-Granville-C-Coggs.pdf
