Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D523047 | Binocular | Alison C. Swift, David John Copeland, Aidan John Petrie, Blaine Matthews Adams, Michael E. Twist +1 more | 2006-06-13 |
| D521037 | Binocular | Alison C. Swift, David John Copeland, Bryan Brownlee Robertson, Aidan John Petrie, Michael E. Twist +1 more | 2006-05-16 |