US Patent Issued to Zhejiang Natural Outdoor Goods on Dec. 16 for "Sponge, air mattress, and sponge fabrication process" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,495,911, issued on Dec. 16, was assigned to Zhejiang Natural Outdoor Goods Inc. (Taizhou, China).

"Sponge, air mattress, and sponge fabrication process" was invented by Yonghui Xia (Taizhou, China), Junwei Yao (Taizhou, China), Jing Guo (Taizhou, China) and Enhui Liu (Taizhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sponge, an air mattress, and a sponge fabrication process are provided. The sponge is provided with cutting seams. When an external force is applied, the sponge is expanded, and gaps are formed. The gaps are equivalent to holes of an existing sponge block formed by a conventional vertical punching method. Compared to an air ma...