US Patent Issued to NAVAC on Sept. 8 for "Power tube expander" (Chinese Inventor)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. D1,146,546, issued on Sept. 8, was assigned to NAVAC Inc. (Lyndhurst, N.J.).

"Power tube expander" was invented by Yourong Jiang (Wenling, China).

The patent was filed on May 5, 2025, under Application No. D/002,391.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=D1146546&OS=D1146546&RS=D1146546

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