I have a strong interested in UFO's and back engineered alien crafts. The TR-3B has been in UFOology for the past two decades. The patent for the mysterious craft had been discovered just recently. Heath Cliff of Lions Ground News explains the current status of the patent.
Inventor John St. Clair
Disclosure TR-3B anti-gravity spacecraft patent explained. Heath Cliff of Lions Ground News does a great job with his research and findings on patent # US20060145019
Source: These two photos above are no longer available on NASA's website
Mysterious Triangle UFO Filmed at Night by Car Driver in Florida - FindingUFO
Date: May 7, 2016.
Location: Sanford, Florida (FL-46)
More to come on Inventor John St. Clair