U.S. Patent No.  4,714,886, “Magnetic Resonance Analysis of Substances in Samples that Include Dissipative Material”, Inventor: HJ Halpern.

U.S. Patent No.  5,431,901, “Selective Isotopic Labeling of Spin Labels for Electron Resonance Spectroscopy”, Inventor: HJ Halpern.

U.S. Patent, pending. “High isolation transmit/receive surface coils and method for EPRI”, Inventor: HJ Halpern.

U.S. Patent, pending. “T1-Senstivie inversion-recovery-imaging method and apparatus for EPRI”, Inventors: HJ Halpern and B. Epel.

U.S. Patent, pending. “Use of 3-Alkanoxyloxymethoxycarbonyl Nitroxide Esters as Oximetry Probes for Measurement of Oxygen Status in Tissues”, Inventors: J.P.Y. Kao, G.M. Rosen and K.-J. Liu.

U.S. Patent, pending. “Targeted Delivery of Imaging Probes for In Vivo Cellular Imaging”, Inventors: J.P.Y. Kao, S.R. Burks and G.M. Rosen.

U.S. Patent, pending. "Alderman-Grant/Loop-Gap High Isolation Crossed Field Bimodal Resonator," Inventors: HJ Halpern, B. Epel, and SV Sundramoorthy.