| Filed On | Filing |
|---|---|
| 30 Dec 2019 | SC 13D |
| 27 Feb 2006 | FORM SC 13D |
| 14 Nov 2002 | INITIAL FILING ON SCHEDULE 13D |
| 05 Oct 1999 | SCHEDULE 13D |
| 27 May 1999 | SCHEDULE 13D |
| 29 Sep 1998 | SCHEDULE 13D |
| 09 Apr 1997 | STATEMENT OF BENEFICIAL OWNERSHIP |
| 05 Feb 1996 | DR. DAVID F. RANNEY SCHEDULE 13D |
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