Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D564502 | Radio modem with circuit board | Martin R. Johnson, David Steed, Jeremy Paul Willden | 2008-03-18 |
| D530317 | Radio modem having a chamfered sheet metal shield | Martin R. Johnson, David Steed | 2006-10-17 |
| 7103086 | Frequency hopping data radio | David Steed | 2006-09-05 |