Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11820414 | Item-identifying carts | Nicholas McMahon, Matthew Clark Webster, Robert P. Irwin, Jonathan Cohn, Jacob A. Siegel +1 more | 2023-11-21 |
| D1004893 | Wheeled cart | Robert P. Irwin, Robert David Serra, Jacob A. Siegel, Matthew Clark Webster, David Wai-Man Wong | 2023-11-14 |
| D937527 | Wheeled cart handle | Robert P. Irwin, Robert David Serra, Jacob A. Siegel, Matthew Clark Webster, David Wai-Man Wong | 2021-11-30 |
| 10953906 | Item-identifying carts | Nicholas McMahon, Matthew Clark Webster, Robert P. Irwin, Jonathan Cohn, Jacob A. Siegel +1 more | 2021-03-23 |