JB

Jan Biermans

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Overall (All Time): #3,906,186 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4937876 In-the-ear hearing aid — 1990-06-26