Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10574826 | Visual voicemail method for managing deleted messages | Brian Keith Rainer, William Joseph Sigmund | 2020-02-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10574826 | Visual voicemail method for managing deleted messages | Brian Keith Rainer, William Joseph Sigmund | 2020-02-25 |