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Inventor
LEYKAUF GUENTHER
DE
3 patents
⚠️ This page may combine multiple inventors who share the name “LEYKAUF GUENTHER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DYCKERHOFF & WIDMANN AG
2 patents
US4905896A
Mar 6, 1990
Railroad roadway for high speed rail-mounted vehicles
DYCKERHOFF & WIDMANN AG
19 citations
69
US5135164A
Aug 4, 1992
Prestressed concrete railroad tie
DYCKERHOFF & WIDMANN AG
5 citations
56
WALTER BAU AG
1 patent
US5435486A
Jul 25, 1995
Ballast-free permanent rail way having recessed tie with central fastening element
WALTER BAU AG
13 citations
63