- Subatomic particle detector with liquid electron multiplication medium, with L. Alvarez, S. Derenzo, R. Smits, H. Zaklad, S. #3,659,105 (assigned to U.S.A.).
- Imaging transducer for radiation particles, with H. Zaklad, S. Derenzo, R. Smits, #3,898,465 (assigned to U.S.A.). (biomedical instrumentation)
- Method and Composition of Matter for Detecting Large Quantities of Paper Currency (tagging of banknotes) to impede smuggling; US Patent #5,057,268 (Oct 15, 1991).
- Optically-Neutral Laser Shield (for broad-band eye protection); US Patent #5,208,698, May 4, 1993.