Cow M. Jan

📍 Tainan, TW: #3 of 30 inventorsTop 10%

Overall (1989): #124,536 of 140,708Top 90%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4823432	Devices for stopping swinging doors	—	1989-04-25