PETERSON PETER R
Related Filers (3)
Ownership (24)
4
Tuesday, 2/10/2009
ELECTRO SENSORS INC: Statement of changes in beneficial ownership of securities
SC 13D/A
Monday, 3/17/2008
PPT VISION INC: Major Shareholders
4
Thursday, 3/13/2008
PPT VISION INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 9/4/2007
PPT VISION INC: Statement of changes in beneficial ownership of securities
SC 13D/A
Thursday, 3/15/2007
PPT VISION INC: Major Shareholders
4
Wednesday, 2/28/2007
PPT VISION INC: Statement of changes in beneficial ownership of securities
SC 13D/A
Monday, 9/18/2006
PPT VISION INC: Major Shareholders
4/A
Thursday, 9/14/2006
PPT VISION INC: Statement of changes in beneficial ownership of securities
4
Friday, 9/8/2006
PPT VISION INC: Statement of changes in beneficial ownership of securities
SC 13D/A
Tuesday, 5/2/2006
PPT VISION INC: Major Shareholders
4
Wednesday, 3/1/2006
PPT VISION INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/21/2006
PPT VISION INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 9/14/2005
PPT VISION INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 4/27/2005
ELECTRO SENSORS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/27/2004
ELECTRO SENSORS INC: Statement of changes in beneficial ownership of securities
5
Monday, 2/9/2004
ELECTRO SENSORS INC: Annual statement of changes in beneficial ownership of securities
4
Monday, 9/29/2003
PPT VISION INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/2/2003
PPT VISION INC: Statement of changes in beneficial ownership of securities
SC 13D/A
Thursday, 10/3/2002
PPT VISION INC: Major Shareholders
SC 13G/A
Monday, 2/14/2000
TECHNE CORP /MN/: Major Shareholders
SC 13D
Monday, 10/18/1999
PPT VISION INC: Major Shareholders
SC 13D/A
Thursday, 9/2/1999
ELECTRO SENSORS INC: Major Shareholders
SC 13G/A
Wednesday, 2/10/1999
ELECTRO SENSORS INC: Major Shareholders
SC 13G/A
Wednesday, 2/4/1998
TECHNE CORP /MN/: Major Shareholders