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
Frogfall suspiciously gives us only a negative incomplete view. Here is an update to this story of shadow powers in play. Book Review: The Half-Life of a Nuclear Battery by Jeane Manning (infinite-energy.com)
But the looks like a dead end. See below.
PHILIP H. TALBERT II, LLC.. NORTH PALM BEACH, FL (bisprofiles.com)