DR

David J. Roles

RH Roper Holdings: 1 patents #19 of 43Top 45%
📍 Baltimore, MD: #2,529 of 4,923 inventorsTop 55%
🗺 Maryland: #19,431 of 35,612 inventorsTop 55%
Overall (All Time): #4,096,275 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4288132 Metal cabinet for assembly by the user from knocked-down condition Henry Znamirowski 1981-09-08