GUARDIAN INDUSTRIES CORP

Related Filers (2)

Ownership (5)

SC 13D/A
Monday, 9/21/1998
OIS OPTICAL IMAGING SYSTEMS INC: Major Shareholders
4
Tuesday, 12/10/1996
OIS OPTICAL IMAGING SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/12/1996
OIS OPTICAL IMAGING SYSTEMS INC: Statement of changes in beneficial ownership of securities
SC 13D/A
Tuesday, 11/5/1996
OIS OPTICAL IMAGING SYSTEMS INC: Major Shareholders
SC 13D/A
Tuesday, 2/20/1996
APOGEE ENTERPRISES INC: Major Shareholders
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