Karl F. G. Ketelhohn

CH Chemcut Holdings: 1 patents #1 of 2Top 50%

📍 State College, PA: #14 of 59 inventorsTop 25%

🗺 Pennsylvania: #948 of 4,234 inventorsTop 25%

Overall (1994): #108,830 of 165,921Top 70%

Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5290384	Apparatus for controlled spray etching	Donald F. Ball	1994-03-01