Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4656485 | Four wire dual mode spiral antenna | Raymond H. DuHamel | 1987-04-07 |
| 4498084 | Four wire dual mode spiral antenna | Raymond H. DuHamel | 1985-02-05 |
| 4354193 | Collapsible antenna support apparatus as well as a kit for and method of assembling the apparatus | — | 1982-10-12 |