Inventor

EWALD NIS-FRIEDRICH

2 patents

⚠️ This page may combine multiple inventors who share the name “EWALD NIS-FRIEDRICH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WILHELM HEGENSCHEIDT GES GMBH

1 patent

US4866642ASep 12, 1989

Method and apparatus for determining the diameter of rail vehicle wheels

WILHELM HEGENSCHEIDT GES GMBH41 citations86

HEGENSCHEIDT GMBH WILHELM

1 patent

US4054976AOct 25, 1977

Combined precision boring and burnishing tool

HEGENSCHEIDT GMBH WILHELM26 citations75