Treatment of materials Trademarks Filed in May 16, 1951
CHAPMANIZING
Filed: May 16, 1951
TREATING MACHINE PARTS AND THE LIKE FORMED FROM IRON BASE ALLOYS WITH HEAT IN THE PRESENCE OF NITROGENOUS MATERIALS TO PROVIDE…
Owned by: CHAPMAN VALVE MANUFACTURING COMPANY, THE
Serial Number: 71613901
MALCOMIZING
Filed: May 16, 1951
SURFACE HARDENING STEEL PRODUCTION PARTS OF OTHERS
Owned by: CRANE CO.
Serial Number: 71613902
