MINE VENTILATION SYSTEMS, INC. Trademarks
NY-VENT
Filed: March 23, 1964
LINE CURTAINS, CHECK CURTAINS, SOLID STOPPINGS AND THE LIKE, FOR USE IN MINE VENTILATION CONTROL SYSTEMS
Owned by: MINE VENTILATION SYSTEMS, INC.
Serial Number: 72189342
VENT-POST
Filed: March 23, 1964
STRUCTURE SUPPORTING EXTENDED SHEETS OF FIRE-RESISTANT GAS IMPERVIOUS MATERIALS WITHIN MINE SHAFTS, SUCH AS LINE CURTAINS…
Owned by: MINE VENTILATION SYSTEMS, INC.
Serial Number: 72189343
BURGESS
Filed: March 30, 1964
KIT FOR USE IN BARRICADING SECTIONS OF UNDERGROUND MINES IN CASE OF EMERGENCIES, INCLUDING A DUSTPROOF CONTAINER CONTAINING…
Owned by: MINE VENTILATION SYSTEMS, INC.
Serial Number: 72189916
