W. J. HAERTEL & CO. Trademarks
QUALIGRID

QUALIGRID

Filed: February 16, 1962
PARTS FOR SUSPENDED ACOUSTICAL CEILING SUSPENSION SYSTEM-NAMELY, RUNNERS, CROSS T'S, CLIPS, MOULDINGS AND PERFORATED STRAPPING…
Owned by: W. J. HAERTEL & CO.
Serial Number: 72138095