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Inventor
HEINZE FRIDBERT
DE
3 patents
⚠️ This page may combine multiple inventors who share the name “HEINZE FRIDBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BUTZBACHER WEICHENBAU GMBH
2 patents
US5451018A
Sep 19, 1995
Railway tongue and rail juncture
BUTZBACHER WEICHENBAU GMBH
7 citations
68
US7309050B2
Dec 18, 2007
Grooved rail core piece
BUTZBACHER WEICHENBAU GMBH
3 citations
54
VAE GMBH
1 patent
US7137601B2
Nov 21, 2006
Check rail device
VAE GMBH
6 citations
54