# 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, has been filed in the United States Patent and Trademark office, and are available for licensing.
**DATES:**
December 29, 2004.
**FOR FURTHER INFORMATION CONTACT:**
Edward K. Fein, Patent Counsel, Johnson Space Center, Mail Code HA, Houston, TX 77058-8452; telephone (281) 483-4871; fax (281) 244-8452.
NASA Case No. MSC-23594-1: Exercise Apparatus;
NASA Case No. MSC-23668-1: Water Outlet Control Mechanism For Fuel Cell System Operation In Variable Gravity Environments;
NASA Case No. MSC-22859-4: Production Of Functional Proteins: Balance Of Shear Stress And Gravity;
NASA Case No. MSC-23454-1: 3-D Interactive Digital Virtual Human.
Dated: December 29, 2004.
Keith T. Sefton,
Deputy General Counsel, Administration and Management.