HL

Harry Larson

PR Promethium: 1 patents #11 of 12Top 95%
Overall (All Time): #2,574,840 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11612673 Photoactivated semiconductor photocatalytic air purification Xavier Isaiah Morgan-Lange, Devon Paul Scheg 2023-03-28