- Chalmers University of Technology, Sweden, 1994, 2000 and 2002, 2005
- IBM Corporation, 1993
- Ford Motor Company, 1991
- Electrified Filter Bed Inc., Boston, Mass., 1990
- FMC Corporation, Advanced Systems Center, Minneapolis, Minnesota, 1989
- University of Alaska, 1989
- Southeastern Center for Electrical Engineering Education, St. Cloud, FL, 1987
- Naval Underwater Systems Center, Newport, RI, 1985