I managed to find two of the missing patents mentioned on that page, because there's a picture of a device with four patent numbers on it. https://patents.goog

I managed to find two of the missing patents mentioned on that page, because there's a picture of a device with four patent numbers on it. https://patents.google.com/patent/US3093737A/en?oq=3093737 https://patents.google.com/patent/US3093737A/en?oq=3093737 According to the patent Walter Shriner was based in Springfield, Illinois, which was mentioned as "ground zero" for these devices. Shriners patent references the older 568 patent by Failla, who assigned it to the Atomic Energy Commission. https://patents.google.com/patent/US2731568A/en?oq=2731568 https://patents.google.com/patent/US2731568A/en?oq=2731568