Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RI

Robert P. Irwin — 2 Patents in 2021

Amazon: 2 patents #625 of 4,535Top 15%
Natick, MA: #17 of 131 inventorsTop 15%
Massachusetts: #2,417 of 14,123 inventorsTop 20%
Overall (2021): #118,660 of 548,734Top 25%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D937527 Wheeled cart handle Robert David Serra, Jacob A. Siegel, Matthew Clark Webster, David Wai-Man Wong, Charles H. Wood 2021-11-30
10953906 Item-identifying carts Nicholas McMahon, Matthew Clark Webster, Jonathan Cohn, Jacob A. Siegel, Charles H. Wood +1 more 2021-03-23