76037072
May 1, 2000
COLLARS FOR POSITIONING IN AND AROUND OPENINGS IN WALLS, FLOORS AND CEILINGS OF BUILDINGS FOR PREVENTING THE SPREAD OF FIRE/SMOKE/HEAT THERETHROUGH AND OTHER FIRE/SMOKE PREVENTION APPLIANCES, NAMELY, FIXTURES OF VARIOUS DIFFERENT SHAPES DESIGNED TO FILL THE AREA BETWEEN A WALL/FLOOR/CEILING PENETRATING ITEM AND THE SURROUNDING HOLE IN THE WALL, FLOOR, OR CEILING TO FACILITATE IT'S PENETRATION THERETHROUGH
Electrical and Scientific ApparatusCONSULTING FOR OTHERS IN THE ANALYZING, DESIGNING, IMPLEMENTING AND MAINTAINING OF A FIRE PREVENTION AND CONTROL PROGRAM WITH A DIRECTED CONCERN FOR THE PREVENTION AND CONTAINMENT OF FIRE AS WELL AS SMOKE AND HEAT ASSOCIATED THEREWITH
Computer and Scientific