Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12387072 | Smart mailbox receptacle and platform to ship packages and goods from a Trimodal system that includes a courier service, an automated vehicle or robot, and/or an unmanned drone | Daniel S. O'Toole, Mark Hamm, Roger Keith Russell | 2025-08-12 |
| 9328501 | Use devices for mechanically secured block assembly systems | J Kevin Harris, Dan Ertl, Roger F. Marsh | 2016-05-03 |
| 8893447 | Use devices for mechanically secured block assembly systems | J Kevin Harris, Dan Ertl | 2014-11-25 |