# 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, 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:**
April 29, 2008.
**FOR FURTHER INFORMATION CONTACT:**
James J. McGroary, Patent Counsel,Marshall Space Flight Center, Mail Code LS01, Huntsville, AL 35812; telephone (256) 544-0013; fax (256) 544-0258.
NASA Case No. MFS-32324-1: Orbital Foamed Material Extruder;
NASA Case No. MFS-32471-1: Self-Contained, Controlled Liquid Metal Feed System;
NASA Case No. MFS-32588-1: Electrochemical And Mechanical Polishing And Shaping System And Method;
NASA Case No. MFS-32402-1: Position Sensing For Rotor In Hybrid Stepper Motor;
NASA Case No. MFS-32521-1: Ring-Laser Gyroscope System Using Dispersive Element(s);
NASA Case No. MFS-32311-1: Method And System For Identifying And Authenticating An Object;
NASA Case No. MFS-32497-1: Eliminating Crystals In Non-Oxide Optical Fiber Preforms And Optical Fibers.
Dated: April 23, 2008.
Keith T. Sefton,
Deputy General Counsel, Administration and Management.