HD

Heinz Degenhardt

SA Siemens Aktiengesellschaft: 1 patents #143 of 603Top 25%
Overall (1982): #60,119 of 81,411Top 75%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4318001 Luminescent materials with increased humidity stability — 1982-03-02