Yuriy Umanskiy demonstrates his Infra Red Pistol Mounted Camera System that recently gave him honors as the best inventor of the year from the DaVinci Institute's Colorado Inventor Showcase 2005 at his home in Centennial December 12, 2005. (BARRY GUTIERRE
BARRY GUTIERREZ, Yuriy Umanskiy demonstrates his Infra Red Pistol Mounted Camera System that recently gave him honors as the best inventor of the year from the DaVinci Institute's Colorado Inventor Showcase 2005 at his home in Centennial December 12, 2005. (BARRY GUTIERRE (12/13/2005), [432816878] . Denver Public Library Digital Collections, accessed 20/01/2026, https://digital.denverlibrary.org/nodes/view/748401



