Joseph K. Walker

ES Eltech Systems: 1 patents #2 of 34Top 6%

📍 Pleasant Grove, UT: #3 of 8 inventorsTop 40%

🗺 Utah: #87 of 504 inventorsTop 20%

Overall (1989): #92,300 of 140,708Top 70%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4812425	Purifying refractory metal borides	—	1989-03-14