# Government-Owned Inventions, Available for Licensing
**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:**
September 27, 2002.
**FOR FURTHER INFORMATION CONTACT:**
Edward Fein, Patent Counsel, Johnson Space Center, Mail Code HA, Houston, TX 77058-3696, telephone (281) 483-4871; fax (281) 244-8452.
*NASA Case No. MSC-23178-1:* Deceleration-Limiting Roadway Barrier;
*NASA Case No. MSC-23193-1:* Passive Tracking System and Method;
*NASA Case No. MSC-23307-1:* Detector Apparatus And Method;
*NASA Case No. MSC-22980-2:* Bubble Monitoring Apparatus;
*NASA Case No. MSC-22980-3:* Bubble Testing System;
*NASA Case No. MSC-22980-4:* Tissue Phantom Testing System;
*NASA Case No. MSC-22980-5:* Bubble Generating Testing System;
*NASA Case No. MSC-23309-1:* Method And Apparatus For Monitoring Oxygen Partial Pressure In Air Masks;
*NASA Case No. MSC-22839-1:* Locating Concealed Objects Using Spectral Signatures;
*NASA Case No. MSC-22953-2:* Method And Apparatus For Reducing The Vulnerability Of Latches To Single Event Upsets;
*NASA Case No. MSC-22953-3:* Method And Apparatus For Reducing The Vulnerability Of Latches To Single Event Upsets;
*NASA Case No. MSC-22970-2:* Solar Powered Refrigeration System;
*NASA Case No. MSC-22970-3:* Solar Powered Refrigeration System;
*NASA Case No. MSC-23092-1:* Advanced, Large Volume, Highly Loaded, Hybrid Inflatable Pressure Vessel;
*NASA Case No. MSC-23228-1:* Distributed Antenna System And Method;
*NASA Case No. MSC-23154-1:* A Real-Time High Frequency QRS Electrocardiograph;
*NASA Case No. MSC-23311-1:* Mass Measurement During Fluid Flow Using An Integrated Sonic/Microwave Detector.
Dated: September 20, 2002.
Robert M. Stephens,
Deputy General Counsel.