Healthcare
| Thu 25 Jul 2024
Alexandria, July 26 -- Lin Jerome has obtained a patent for air purification face mask structure The patent application number is US202117316971 20210511. The patent publication number is US12042679 (B2). International Patent Classification codes are A62B18/00, A62B18/02, A62B18/08, A62B23/02, A62B7/10, B01D46/00, B05B17/06 and ..