Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D282358 | Telecommunications system console or similar article | John G. Engstrom, John N. McGarvey | 1986-01-28 |
| D280896 | Portable transmitter | John G. Engstrom, John N. McGarvey, Michael P. Zambelli | 1985-10-08 |