RB

Richard Biederman

📍 Kensington, MD: #2 of 6 inventorsTop 35%
🗺 Maryland: #154 of 841 inventorsTop 20%
Overall (1982): #21,182 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4327764 Float valve assembly for a liquid drain trap Ronald A. Zurawski 1982-05-04