Nonmetallic building materials Trademarks Filed in September 20, 1960
RIGIDGRID

RIGIDGRID

Filed: September 20, 1960
Parts for Supporting Grid Systems for Suspended Ceilings-Namely, Main T's Cross T's Bridging T's Splicers, Perimeter Moulding…
Owned by: Donn Incorporated
Serial Number: 72104821