LITTENBERG RICHARD L
Related Filers (1)
APHTON CORP (2)
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Ownership (6)
SC 13G
Monday, 2/14/2000
APHTON CORP: Major Shareholders
SC 13G
Tuesday, 2/16/1999
APHTON CORP: Major Shareholders
4
Tuesday, 2/10/1998
APHTON CORP: Statement of changes in beneficial ownership of securities
SC 13D
Tuesday, 2/10/1998
APHTON CORP: Major Shareholders
4
Friday, 2/7/1997
APHTON CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 10/9/1996
APHTON CORP: Statement of changes in beneficial ownership of securities
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