COLUMBIA TECHNICAL CORPORATION Trademarks
PYROSHIELD
Filed: May 8, 1961
HEAT RESISTANT PROTECTIVE FILM FORMING COATING MATERIAL
Owned by: COLUMBIA TECHNICAL CORPORATION
Serial Number: 72119476
INDOMICA
Filed: January 11, 1967
MICA PLATE FOR ELECTRICAL INSULATION
Owned by: COLUMBIA TECHNICAL CORPORATION
Serial Number: 72262299
