ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,832, issued on Sept. 9, was assigned to SHENZHEN LISEN INTELLIGENT Co. LTD. (Shenzhen, China).
"Negative pressure suction-based fixing device" was invented by Rufeng Yang (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a negative pressure suction-based fixing device comprising a housing, a suction and holding member, a negative pressure creating assembly and a sealing member. The housing has an accommodating cavity thereinside. The suction and holding member has an abutting and holding surface recessed to form a suction cavity communicated with the accommodating cavity. The abutting and holding surface has a mounting s...