ASPEN GROUP RESOURCES CORP of OKLAHOMA CITY, OK filed a DEF 14A with the SEC on 1997-12-22. Industry: Oil & Gas Field Exploration Services.
| Filed | Form |
|---|---|
| 2002-05-02 | DEF 14A |
| 2002-04-12 | PRE 14A |
| 2000-11-20 | DEF 14A |
| 2000-10-23 | PRE 14A |
| 2000-01-19 | DEF 14A |
| 1999-12-27 | PRE 14A |
| 1999-12-10 | PRER14A |
| 1999-11-05 | PRES14A |
| 1999-05-20 | DEFS14A |
| 1999-03-30 | PRES14A |
| 1997-12-22 | DEF 14A |