RK

Robertus A.J. Van Kollenburg

Koniniklijke Philips N.V.: 1 patents #4,025 of 7,486Top 55%
Overall (All Time): #3,117,831 of 4,157,543Top 75%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8792316 Record carrier of the optical type and a device for recording and/or playback for use with such a record carrier 2014-07-29