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In 1977, John Clark Hanna founded the original E.L.F., an acronym for Environmental Life Force. He was convicted in federal court for placing firebombs on seven crop duster aircraft at the Salinas, California airfield on May 1, 1977. He pleaded guilty and served three months' of a five year sentence at FCI Lompoc.
After his probation was completed, he became an American Welding Society certified structural steel and welding inspector, certification number 92010131. Upon retiring in 2019, John C. Hanna founded WETGEN [1] and became an inventor of wave energy converters. Mr. Hanna was granted two utility patents from the U.S. Patent and Trademark Office: US 8,358,026 and US 8,745,981. Both patents were assigned to wave energy developers in the UK and US. 2600:6C55:6700:7CE:19EE:B30F:4DDE:68D7 (talk) 16:05, 24 August 2022 (UTC)[reply]
