Triangular spacecraft - US Patent #20060145019 A1
Abstract - A spacecraft having a triangular hull with vertical electrostatic line charges on each corner that produce a horizontal electric field parallel to the sides of the hull. This field, interacting with a plane wave emitted by antennas on the side of the hull, generates a force per volume combining both lift and propulsion.
https://www.google.com/patents/US20060145019?pageId=111028569981762970673