JK

Johannes M. G. M. Kaanders

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Overall (All Time): #4,032,196 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4440982 Hearing aid Cornelis H. M. Van Rijsewijk, Antoon F. Smerecnik 1984-04-03