SEC Filings

Filing date	Form	Description	View
Jun 13, 2018	8-K	Report of unscheduled material events or corporate event	0000046080-18-000097.pdf 0000046080-18-000097.rtf 0000046080-18-000097.xls
Jun 01, 2018	3	Initial filing by director officer or owner of more than ten percent.	0000046080-18-000095.pdf 0000046080-18-000095.rtf
May 29, 2018	SD	Specialized Disclosure Report	0000046080-18-000094.pdf 0000046080-18-000094.rtf 0000046080-18-000094.xls
May 21, 2018	8-K	Report of unscheduled material events or corporate event	0000046080-18-000081.pdf 0000046080-18-000081.rtf 0000046080-18-000081.xls
May 21, 2018	4	Statement of changes in beneficial ownership of securities	0000046080-18-000082.pdf 0000046080-18-000082.rtf
May 21, 2018	4	Statement of changes in beneficial ownership of securities	0000046080-18-000083.pdf 0000046080-18-000083.rtf
May 21, 2018	4	Statement of changes in beneficial ownership of securities	0000046080-18-000084.pdf 0000046080-18-000084.rtf
May 21, 2018	4	Statement of changes in beneficial ownership of securities	0000046080-18-000085.pdf 0000046080-18-000085.rtf
May 21, 2018	4	Statement of changes in beneficial ownership of securities	0000046080-18-000086.pdf 0000046080-18-000086.rtf
May 21, 2018	4	Statement of changes in beneficial ownership of securities	0000046080-18-000087.pdf 0000046080-18-000087.rtf