Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8036354 | Calling-party-pays call processing for cellular and paging | Carol Shifrin Gruchala, Gordon Lynn Blumenschein, Douglas Marshall, Roger Albert Sosa | 2011-10-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8036354 | Calling-party-pays call processing for cellular and paging | Carol Shifrin Gruchala, Gordon Lynn Blumenschein, Douglas Marshall, Roger Albert Sosa | 2011-10-11 |