# Government-Owned Inventions, Available for Licensing
**AGENCY:**
National Aeronautics and Space Administration.
**ACTION:**
Notice of Availability of Inventions for Licensing.
**SUMMARY:**
The inventions listed below are assigned to the National Aeronautics and Space Administration, have been filed in the United States Patent and Trademark Office, and are available for licensing.
**DATES:**
August 30, 2001.
**FOR FURTHER INFORMATION CONTACT:**
James McGroary, Patent Counsel, Marshall Space Flight Center, Code LS01, Huntsville, AL 35812; telephone (256) 544-0013, fax (256) 544-0258.
NASA Case No. MFS-31464-1: Multi-Layer Identification Label Using Stacked Identification Symbols
NASA Case No. MFS-31546-1: High Precision Grids For Neutron, Hard X-Ray, And Gamma-Ray Imaging Systems
NASA Case No. MFS-31565-1: Phase Modulator With Terahertz Optical Bandwidth Formed By Multi-Layered Dielectric Stack
NASA Case No. MFS-31584-1: Hypergolic Ignitor Assembly;
Dated: August 22, 2001.
Edward A. Frankle,
General Counsel.