ALEXANDRIA, Va., June 9 -- United States Patent no. D1,072,552, issued on April 29, was assigned to Shenzhen Crastal Technology Co. Ltd. (Guangdong, China).
"Cassette furnace" was invented by Mohan Zhang (Guangdong, China), Zhen Sun (Guangdong, China) and Chijing Ni (Guangdong, China).
The patent was filed on June 1, 2023, under Application No. D/893,628.
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