Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5604794 | Switch system for directing call from a calling to a receiving instrument | David A. Vogel, Danny C. Vogel | 1997-02-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5604794 | Switch system for directing call from a calling to a receiving instrument | David A. Vogel, Danny C. Vogel | 1997-02-18 |