Inventor
BERGER HELMUT
DE7 patents
⚠️ This page may combine multiple inventors who share the name “BERGER HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH
2 patentsUS5932955AAug 3, 1999
Double-based, double-ended, pinch-sealed electric lamp with integral base
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH89 citations92
US6291934B1Sep 18, 2001
Halogen incandescent lamp having U-shaped inner supply lead held mechanically in a fold in the foil
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH8 citations71