ALEXANDRIA, Va., Nov. 25 -- United States Patent no. D1,103,099, issued on Nov. 25, was assigned to ABB Beijing Drive Systems Co. Ltd. (Beijing).
"Frequency converter" was invented by Yuqin Yuan (Beijing), Yan Liu (Beijing) and Hua Zhao (Beijing).
The patent was filed on Dec. 6, 2021, under Application No. D/818,024.
*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=D1103099&OS=D1103099&RS=D1103099
Disclaimer: Curated by HT Syndication....