John E. Cooper

JLJe Hanger & Company Limited: 1 patents #1 of 1Top 100%

California: #2,144 of 10,592 inventorsTop 25%

Overall (1989): #96,059 of 140,708Top 70%

1 Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4883494	Shift device for a prosthetic limb	—	1989-11-28