From 1992: https://www.sec.gov/news/digest/1992/dig100292.pdf
The device in the Brown patent looks suspiciously like the Alfred Hubbard device from the 1920s
All sorts of nonsense can be written in a patent, and it can still get granted. The examiners don't ask for proof that any devices actually work, nor are they in a position to verify any claimed principles or performance.