ALEXANDRIA, Va., April 15 -- United States Patent no. D1,122,222, issued on April 14. "Interference device" was invented by Hongcai Lu (Guangdong, China). The patent was filed on March 11, 2024, und... और पढ़ें
ALEXANDRIA, Va., April 15 -- United States Patent no. D1,122,223, issued on April 14, was assigned to MILWAUKEE ELECTRIC TOOL Corp. (Brookfield, Wis.). "Radio" was invented by Chelsea L. McCormick (L... और पढ़ें
ALEXANDRIA, Va., April 15 -- United States Patent no. D1,122,224, issued on April 14. "Digital audio player" was invented by In Gyu Park (Seoul, South Korea). The patent was filed on Jan. 20, 2025, ... और पढ़ें
ALEXANDRIA, Va., April 15 -- United States Patent no. D1,122,225, issued on April 14, was assigned to Harman International Industries Inc. (Northridge, Canada). "Loudspeaker" was invented by Matthew ... और पढ़ें
ALEXANDRIA, Va., April 15 -- United States Patent no. D1,122,226, issued on April 14, was assigned to RE:CAR INC. (Troy, Mich.). "Portable speaker" was invented by Tomoyuki Ishiwata (Fountain Valley,... और पढ़ें
ALEXANDRIA, Va., April 15 -- United States Patent no. D1,122,227, issued on April 14, was assigned to Shen Zhen Yaan Energy Technology Co. Ltd. (Shenzhen, China). "Headphone" was invented by Dingxian... और पढ़ें
ALEXANDRIA, Va., April 15 -- United States Patent no. D1,122,228, issued on April 14. "Speaker" was invented by Fei Zeng (Shaoyang, China). The patent was filed on Sept. 18, 2024, under Application ... और पढ़ें
ALEXANDRIA, Va., April 15 -- United States Patent no. D1,122,229, issued on April 14, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Suwon-si, South Korea). "Loudspeaker" was invented by Seungho Lee (... और पढ़ें
ALEXANDRIA, Va., April 15 -- United States Patent no. D1,122,230, issued on April 14, was assigned to Harman International Industries Inc. (Northridge, Canada). "Speaker transducer housing" was inven... और पढ़ें
ALEXANDRIA, Va., April 15 -- United States Patent no. D1,122,231, issued on April 14. "Keypad" was invented by Douglas Samuel Roxburgh (Suffolk, Great Britain). The patent was filed on April 21, 202... और पढ़ें