JG

Jianhua Guan

Overall (All Time): #1,705,281 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D1068357 Sheet music holder 2025-04-01
D1022040 Label for piano keyboard note 2024-04-09