RJ

Richard Hartmann, Jr.

📍 Portland, OR: #802 of 1,798 inventorsTop 45%
🗺 Oregon: #1,719 of 4,240 inventorsTop 45%
Overall (2022): #288,341 of 548,613Top 55%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11407689 Black urea enhanced efficiency controllable release fertilizer compositions A. Ray Shirley, Jr. 2022-08-09