Environmental control apparatus Trademarks Filed in October 9, 1952
SIGRI

SIGRI

Filed: October 9, 1952
PRODUCTS AND ARTICLES MADE OF CARBONACEOUS MATERIALS, ARTIFICIAL CARBON COMPRISING AMORPHOUS CARBON AND GRAPHITE-NAMELY,…
Owned by: SIEMENS-PLANIAWERKE AKTIENGESELLSCHAFT FUER KOHLEFABRIKATE
Serial Number: 71636439