HG

Helmut J. Gassen

U.S. Philips: 2 patents #2,537 of 8,851Top 30%
Overall (All Time): #2,302,434 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5218755 Method of manufacturing a magnetic head Eugene L. M. Raemaekers, Wilhelmus J. M. Smits 1993-06-15
5217819 Method of manufacturing a thin-film magnetic head and magnetic head James R. Peterson, Johannes F. De Proost, Gerardus H. J. Somers, Franciscus A. Pronk, Victor Zieren +2 more 1993-06-08