Inventor

EHRENFELDNER RICHARD

AT2 patents

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

VOEST ALPINE AG

1 patent

US4880489ANov 14, 1989

Apparatus for plasma etching circuit boards or the like

VOEST ALPINE AG4 citations57

SEMPERIT AG HOLDING

1 patent

US9279038B2Mar 8, 2016

Method for producing cross-linked elastomer

SEMPERIT AG HOLDING2 citations56