90051094
Jul 14, 2020
May 18, 2021
Active Trademark
AIR HANDLING SYSTEMS FOR GENERATING AND MAINTAINING A NEGATIVE PRESSURE ENVIRONMENT; AIR HANDLING SYSTEMS FOR REMOVING AIRBORNE PARTICULATES FROM AN ENCLOSED ENVIRONMENT; DEVICES FOR REMOVING AIRBORNE PARTICULATES FROM AN ENCLOSED ENVIRONMENT, namely, ENVIRONMENTAL ISOLATION CHAMBERS AND AIR FILTERING UNITS; AIR PARTICULATE CONTAINMENT DEVICES, namely, ENVIRONMENTAL ISOLATION CHAMBERS AND AIR FILTERING UNITS; AIR PARTICULATE FILTRATION DEVICES, namely, ENVIRONMENTAL ISOLATION CHAMBERS AND AIR FILTERING UNITS
Environmental Control Apparatus