RH

Roland Hoffmann

PM Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen Mbh: 1 patents #1 of 2Top 50%
Overall (1982): #34,625 of 81,411Top 45%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4344016 Fluorescent lamp with silicon dioxide coating Ernst Panofski 1982-08-10