Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8276317 | Auto locking, manual unlocking door stay | Alun Gareth Williams, William Keith Albert Eyers, Martin Phillips | 2012-10-02 |
CN
Christopher R. Norman
Overall (All Time): #3,224,350 of 4,157,543Top 80%
1
Patents All Time