| MULTI-VENT MESTEK INC.
(A PENNSYLVANIA CORPORATION)
171910 15 Oct 1937 | on 31 Dec 1969 | Class 007 Class 007 Machinery Products Class 011 Class 011 Environmental Control Instrument Products (lighting,heating,cooling,cooking) Air distributing apparatus used in draftless ventilating systems for distributing air into rooms or other enclosures, which include a perforated panel through which the air is introduced into the enclosures. | | | MULTI-VENT TROFFER DYNAMICS CORPORATION OF AMERICA
(A NEW YORK CORPORATION)
242909 28 Oct 1957 | on 29 Sep 1988 | Class 011 Class 011 Environmental Control Instrument Products (lighting,heating,cooling,cooking) Combination light fixture and air diffuser units. | | 
