HOFFMANN ROALD
Related Filers (3)
- GP STRATEGIES CORP (4)
- INTERFERON SCIENCES INC (1)
- NATIONAL PATENT DEVELOPMENT CORP (1)
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Ownership (21)
4
Thursday, 1/4/2007
NATIONAL PATENT DEVELOPMENT CORP: Statement of changes in beneficial ownership of securities
4
Monday, 10/2/2006
NATIONAL PATENT DEVELOPMENT CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/5/2006
NATIONAL PATENT DEVELOPMENT CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/4/2006
NATIONAL PATENT DEVELOPMENT CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/8/2006
NATIONAL PATENT DEVELOPMENT CORP: Statement of changes in beneficial ownership of securities
5
Thursday, 1/27/2005
GP STRATEGIES CORP: Annual statement of changes in beneficial ownership of securities
4
Monday, 11/29/2004
NATIONAL PATENT DEVELOPMENT CORP: Statement of changes in beneficial ownership of securities
5
Monday, 2/2/2004
GP STRATEGIES CORP: Annual statement of changes in beneficial ownership of securities
5
Monday, 2/10/2003
GP STRATEGIES CORP: Annual statement of changes in beneficial ownership of securities
4
Tuesday, 7/9/2002
GP STRATEGIES CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 4/10/2002
GP STRATEGIES CORP: Statement of changes in beneficial ownership of securities
4
Monday, 3/11/2002
GP STRATEGIES CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/8/2002
GP STRATEGIES CORP: Statement of changes in beneficial ownership of securities
4
Monday, 7/9/2001
GP STRATEGIES CORP: Statement of changes in beneficial ownership of securities
4
Monday, 4/9/2001
GP STRATEGIES CORP: Statement of changes in beneficial ownership of securities
4
Friday, 4/28/2000
GP STRATEGIES CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/9/1998
GP STRATEGIES CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 7/7/1998
GP STRATEGIES CORP: Statement of changes in beneficial ownership of securities
4
Friday, 6/27/1997
INTERFERON SCIENCES INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/10/1997
NATIONAL PATENT DEVELOPMENT CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/4/1996
NATIONAL PATENT DEVELOPMENT CORP: Statement of changes in beneficial ownership of securities