Correspondence: | JONATHAN PARTHUM UNITED STATES DEPARTMENT OF ENERGY 1000 INDEPENDENCE AVE., SW, GC-62, ROOM 6F-048 WASHINGTON, DC 20585 UNITED STATES trademarks@hq.doe.gov, jonathan.parthum@hq.doe.gov, robert.burns@hq.doe.gov, Jennifer.mahalingappa@hq.doe.gov Phone: 202-586-2000 |