JF

John W. Friederichs

VA Valenite: 2 patents #1 of 22Top 5%
📍 West Branch, MI: #1 of 2 inventorsTop 50%
🗺 Michigan: #329 of 4,313 inventorsTop 8%
Overall (1994): #29,666 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5368628 Articles of ultra fine grained cemented carbide and process for making same 1994-11-29
5338506 Process for making non-magnetic nickel tungsten carbide cemented carbide compositions and articles made from the same Prakash K. Mirchandani, Paul J. Krudy 1994-08-16