Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7928831 | System and method for handling user keys and user passwords in a tagging system where the tag itself is capable of carrying only a single key or password | Charles A. Johnson | 2011-04-19 |
| 6150617 | Vehicle with weight sensing | Peter J. Hart, David Forbes Smith, Benjamin Simon Blackmore, Richard John Godwin, Paul Wheeler | 2000-11-21 |