Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D297325 | Telephone stand | Henry J. Mack, Jr., John N. McGarvey, Robert A. Till, Jr., Michael P. Zambelli | 1988-08-23 |
| 4587517 | Intrusion sensing device | Robert A. Till, Jr. | 1986-05-06 |
| D282358 | Telecommunications system console or similar article | John S. Campbell, John N. McGarvey | 1986-01-28 |
| D280896 | Portable transmitter | John S. Campbell, John N. McGarvey, Michael P. Zambelli | 1985-10-08 |