Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7155205 | System and method for verifying subscriber data records in a telephone system | John D. Ensminger, Douglas Van Natter, David C. Isaacson | 2006-12-26 |
| 6951009 | System and method for generating computer code to facilitate development of CDR management tools | John D. Ensminger, Douglas Van Natter | 2005-09-27 |
| 6876731 | System and method for managing CDR information | John D. Ensminger, Douglas Van Natter | 2005-04-05 |