1991 - 1996
Research associate at biomedical companies (OvaBloc Europe BV,
HC Implants BV, both in Leyden)
New inventions, submission of U.S. Patent Application no. 08 / 6991896, as first inventor, entitled: 'Polyetherester Copolymers as Drug Delivery Matrices'
Further development of characteristic abstract style, large paintings
Various works of JG on the walls in OvaBloc office building, and from 1994 -1996 numerous works in HC Implants office building.