JR

James Ritchie

📍 Brewster, MA: #2 of 4 inventorsTop 50%
🗺 Massachusetts: #2,224 of 12,682 inventorsTop 20%
Overall (2018): #139,717 of 503,207Top 30%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10010776 Clamping assembly for an auxiliary roller assembly for a sports goal James H. Gravel 2018-07-03
9889365 Auxiliary roller assembly for a sports goal James H. Gravel 2018-02-13