Interesting in that reading the Pais descriptions in the patent much of the descriptions related to the technology are similar, minus the "quantum vacuum", to descriptions associated with die glocke (and I don't mean the bs wiki entry or time travel). Many that believe die glocke was a real prototype object related to a misunderstood and subsequently buried technology also associate it with "the acorn" from the Kecksburg incident and believe that "the acorn" was an American attempt at a next generation technology based on die glocke.
Is it possible that the primitive "anti-gravity" technology first prototyped in die glocke is now after 80 years of testing a functional propulsion system?