JB

Johannus Bakx

U.S. Philips: 1 patents #139 of 781Top 20%
Overall (1997): #130,768 of 185,788Top 75%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5617399 Write intensity calibration of a recording beam by reading a test pattern written on a buffer sector of a record carrier Johannes H. M. Spruit 1997-04-01