HD

Hans Damman

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Overall (All Time): #3,712,212 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5612813 Optical isolator, circulator, switch or the like, including a faraday rotator Elke B. Pross, Gert Rabe, Wolfgang F. M. Tolksdorf 1997-03-18