PATTERSON EDDY L
Related Filers (1)
NATIONAL ENVIRONMENTAL SERVICE CO (1)
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Ownership (4)
SC 13D
Thursday, 9/23/1999
NATIONAL ENVIRONMENTAL SERVICE CO: Major Shareholders
SC 13G/A
Tuesday, 2/9/1999
NATIONAL ENVIRONMENTAL SERVICE CO: Major Shareholders
SC 13G/A
Tuesday, 2/3/1998
NATIONAL ENVIRONMENTAL SERVICE CO: Major Shareholders
SC 13G/A
Thursday, 3/6/1997
NATIONAL ENVIRONMENTAL SERVICE CO: Major Shareholders
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