U.S. federal trademark · Serial No. 77741675
Optical filtering apparatus attached to an infrared image capturing device, such as a digital or film video camera or still picture camera, to block the visible light spectrum so that light passes through near infrared optical wavelengths with full intensity starting at 650nm scaling down its intensity starting at 1500nm to 3000nm in lockstep fashion, for the purpose of capturing visual evidence of paranormal anomalies beyond the human visible range
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.