1
Billy G Cook: Sound attenuating structural honeycomb sandwich material. Rohr, Patrick J Schlesinger, Frank D Gilliam, January 4, 1977: US04001473 (43 worldwide citation)

Attenuating structural honeycomb sandwich panels with a cellular core having a portion of the adjacent cell walls removed forming an enlarged cell area positioned between and bonded to two facing sheets. The sheet adjacent the enlarged cell area is imperforate. The other face sheet remote from the e ...


2
Billy G Cook: Ion repulsion engine and method of operating same. Frank D Gilliam, December 18, 1979: US04178759 (2 worldwide citation)

A reciprocating engine utilizing the mutual repulsion of charged air particles to drive a work-producing means. The engine has pistons reciprocating in cylinders with cylinder spaces between cylinder heads and the pistons. A first enclosed porous conductive electrode is located in fluid flow communi ...