SK

Siegfried Klein

CEA: 2 patents #5 of 185Top 3%
UN Unknown: 2 patents #37 of 1,640Top 3%
Overall (1989): #15,672 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4862430 Wide pass band elastic wave omnidirectional transducer 1989-08-29
4842400 Visual apparatus 1989-06-27