# 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 on a nonexclusive basis.
**DATES:**
August 30, 2001.
**FOR FURTHER INFORMATION CONTACT:**
John Kusmiss, Patent Counsel, NASA Management Office—JPL, 4800 Oak Grove Drive, Mail Stop 180801, Pasadena, CA 91109; telephone (818) 354-7770.
U.S. Patent No. 5,850,538: Priority Queues for Computer Simulations;
U.S. Patent No. 5,794,005: Synchronous Parallel Emulation and Discrete Event Simulation System With Self-Contained Simulation Objects and Active Event Objects;
U.S. Patent No. 5,781,762: Parallel Proximity Detection for Computer Simulations;
U.S. Patent No. 5,652,871: Parallel Proximity Detection for Computer Simulation;
NASA Case No. NPO-18414-4-CU: Synchronous Parallel System for Emulation and Discrete Event Simulation.
Dated: August 22, 2001.
Edward A. Frankle,
General Counsel.