AL

Adrianus C. H. J. Liefkens

U.S. Philips: 2 patents #2,537 of 8,851Top 30%
Overall (All Time): #2,362,917 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4419415 Magnetic head comprising two spot welded metal plates Gerardus J. A. M. Notenboom 1983-12-06
4392169 Magnetic shielding spring Carolus J. Boullart 1983-07-05