WW

Willem Sjouke Wijma

U.S. Philips: 2 patents #73 of 1,030Top 8%
📍 Drachten, NL: #3 of 12 inventorsTop 25%
Overall (1989): #12,878 of 140,708Top 10%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4811484 Dry-shaving apparatus Eduard W. Tietjens, Eppe Bakker, Albert Hoekstra 1989-03-14
4807359 Dry-shaving apparatus — 1989-02-28