| Date Filed | Summary | Pages |
| 07/10/2009 | Certificate No. 90-5321 cancelled. | 3 |
| 08/05/2004 | Revised Certificate No. 90-5321 issued. | 2 |
| 04/21/2004 | Revised Certificate Number 90-5321 issued to Dobson Cellular Systems dba Cellular One or Cellular from Dobson Cellular Systems. | 2 |
| 12/23/2003 | Amendment to Telecommunications applications form filed October 16, 2003, to add certificate no. 90-5326 to the form, filed on behalf of applicant by L. Rosen. | 13 |
| 10/24/2003 | In the matter of the application of Sygnet Communications Inc. of Pro Forma Change ownership. | 6 |
| 10/16/2003 | In the matter of the application of Sygnet Communications, Inc. for a notification of change in ownership. | 6 |
| 05/16/2003 | In the matter of the application of Sygnet Communications Inc. for a change in ownership. | 6 |
| 01/05/1993 | First revised page 26 from PUCO tariff No. 1 filed on behalf of the applicant by S. Howard. | 0 |
| 01/05/1993 | First revised page 26 from PUCO tariff No. 2 filed on behalf of the applicant by S. Howard. | 0 |
| 07/09/1990 | Initial tariff filed 6/15/90. | 0 |