Free-Energy-Secrets-with-Tesla-patents_page_117

Free-Energy-Secrets-with-Tesla-patents | page 117 | https://thedailydialectics.com/pdfs/tesla/Free-Energy-Secrets-with-Tesla-patents/Free-Energy-Secrets-with-Tesla-patents.pdf

United States Patent 119) Gray, Sr. {11] Patent Number: [45] Date of Patent: 4,661,747 Apr. 28, 1987 [54] EFFICIENT ELECTRICAL CONVERSION SWITCHING TUBE SUITABLE FOR INDUCTIVE LOADS Edwin V. Gray, Sr., P.O. Box 362, Council, Id. 83612 21] Appl. No.: 791,508 22] Filed: Oct, 25, 1985 76] Inventor:…