HS

Hans Spengler

RU Rutgerswerke: 1 patents #8 of 19Top 45%
📍 Halle, BE: #1 of 3 inventorsTop 35%
Overall (1994): #128,234 of 165,921Top 80%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5283045 Sinterable carbon powder and method of its production Winfried Boenigk, Hans-Dieter Behrens, Andreas Niehoff 1994-02-01