HK

Hillebrand J. J. Kraakman

U.S. Philips: 1 patents #96 of 532Top 20%
Overall (1982): #58,775 of 81,411Top 75%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4312823 Method of manufacturing a plastic record carrier having a stratified structure Egbert Broeksema, Sjoerd Nijboer 1982-01-26