Self Sealing Fuel Line (IMAGE) Naval Postgraduate School Caption NPS associated professor Dr. Ray Gamache and U.S. Marine Corps Maj. Christopher Phifer, an NPS alumnus, recently received a patent for a self-sealing fuel line which benefited from their novel application of elastomeric materials. Credit U.S. Navy photo illustration Usage Restrictions No restrictions. License Public Domain Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.