CLEAN ENERGY COMBUSTION SYSTEMS INC

Q: Sep 30 2004

Q: Jun 30 2004

Q: Mar 31 2004

FY: Dec 31 2003

FY: Dec 31 2003

Q: Sep 30 2003

Q: Jun 30 2003

Q: Mar 31 2003

FY: Dec 31 2002

FY: Dec 31 2002

Q: Sep 30 2002

Q: Jun 30 2002

Q: Mar 31 2002

FY: Dec 31 2001

Q: Sep 30 2001

Q: Jun 30 2001

FY: Dec 31 2000

Q: Mar 31 2001

FY: Dec 31 2000

Q: Sep 30 2000

4.01,9.01

4.01,9.01

2

Changes in registrant's certifying accountant

Prospectus Supplement for Primary Offering

Post-effective amendment to a registration statement

Post-effective amendment to a registration statement

Post-effective amendment to a registration statement

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Definitive Proxy Statement

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Definitive Proxy Statement

Preliminary Proxy Statement

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SHEAHAN BARRY A

SHEAHAN BARRY A

STINSON R DIRK

RAVENSCRAIG PROPERTIES LTD

THUOT JOHN P

STINSON R DIRK

THUOT JOHN P

STINSON R DIRK

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Correspondence with the SEC

Letter from the SEC

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