Kaswell, Norman Trademarks
INTER(B)LOCK
Filed: May 20, 1991
rubber floor blocks
Owned by: Kaswell, Norman
Serial Number: 74168113
FIBRE(B)LOCK
Filed: April 7, 1995
floor blocks composed of synthetic fibers
Owned by: Kaswell, Norman
Serial Number: 74660278
AGELESS END-GRAIN
end-grain wooden blocks for flooring
Owned by: Kaswell, Norman
Serial Number: 76489222
