Dufresne Christian
Related Filers (1)
SPIRE CORP (1)
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Ownership (5)
4
Tuesday, 5/26/2009
SPIRE CORP: Statement of changes in beneficial ownership of securities
4
Friday, 8/17/2007
SPIRE CORP: Statement of changes in beneficial ownership of securities
4
Friday, 5/18/2007
SPIRE CORP: Statement of changes in beneficial ownership of securities
4
Friday, 11/17/2006
SPIRE CORP: Statement of changes in beneficial ownership of securities
3
Friday, 5/26/2006
SPIRE CORP: Initial statement of beneficial ownership of securities
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