INDUSTRIAL & COMMERCIAL FANS & BLOWERS & AIR PURIFING EQUIP

Latest SC 13D/A SEC Filings
General statement of acquisition of beneficial ownership: [Amend]

ITEQ INC, SC 13D/A, 2001-01-10
CECO ENVIRONMENTAL CORP, SC 13D/A, 2000-10-05
CECO ENVIRONMENTAL CORP, SC 13D/A, 2000-07-11
CECO ENVIRONMENTAL CORP, SC 13D/A, 2000-05-18
ITEQ INC, SC 13D/A, 2000-03-14
CECO ENVIRONMENTAL CORP, SC 13D/A, 2000-02-29
ITEQ INC, SC 13D/A, 2000-02-09
ITEQ INC, SC 13D/A, 2000-01-05
ITEQ INC, SC 13D/A, 1999-11-15
ITEQ INC, SC 13D/A, 1999-11-09
ITEQ INC, SC 13D/A, 1999-10-13
ITEQ INC, SC 13D/A, 1999-09-15
IONIC FUEL TECHNOLOGY INC, SC 13D/A, 1999-05-14
ITEQ INC, SC 13D/A, 1999-05-07
IONIC FUEL TECHNOLOGY INC, SC 13D/A, 1998-09-18
IONIC FUEL TECHNOLOGY INC, SC 13D/A, 1998-07-01
NOXSO CORP, SC 13D/A, 1998-01-14
CECO ENVIRONMENTAL CORP, SC 13D/A, 1997-10-22
ITEQ INC, SC 13D/A, 1997-06-24
ALANCO ENVIRONMENTAL RESOURCES CORP, SC 13D/A, 1997-05-20
UNITED AIR SPECIALISTS INC /OH/, SC 13D/A, 1997-03-31
CECO ENVIRONMENTAL CORP, SC 13D/A, 1996-12-04
PFEIFFER VACUUM TECHNOLOGY AG, SC 13D/A, 1996-11-27
GREAT AMERICAN MANAGEMENT & INVESTMENT INC, SC 13D/A, 1996-11-18
UNITED AIR SPECIALISTS INC /OH/, SC 13D/A, 1996-10-03
DONALDSON CO INC, SC 13D/A, 1996-07-26
AMPCO PITTSBURGH CORP, SC 13D/A, 1996-04-03
AMPCO PITTSBURGH CORP, SC 13D/A, 1996-03-29
AMPCO PITTSBURGH CORP, SC 13D/A, 1996-03-20
ADVANCE ROSS CORP, SC 13D/A, 1996-02-07
ADVANCE ROSS CORP, SC 13D/A, 1996-01-22
DONALDSON CO INC, SC 13D/A, 1995-07-12


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