Nonmetallic building materials Trademarks Filed in August 17, 1979
PERMACHROME

PERMACHROME

Filed: August 17, 1979
Stone Monuments
Owned by: Stager; John D.
Serial Number: 73227929

HESTRON

HESTRON

Filed: August 17, 1979
Heat Strengthened Glass
Owned by: PPG INDUSTRIES, INC.
Serial Number: 73227997