Ching Chan

PC Perfect Union Co.: 1 patents #1 of 1Top 100%

📍 New Taipei, TW: #647 of 1,901 inventorsTop 35%

Overall (2021): #504,323 of 548,734Top 95%

Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D907751	Portable boiling water heater	—	2021-01-12