RC

Richard L. Caswell

DI Dresser Industries: 2 patents #157 of 787Top 20%
📍 Salisbury, MD: #67 of 232 inventorsTop 30%
🗺 Maryland: #13,387 of 35,612 inventorsTop 40%
Overall (All Time): #2,371,427 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4284212 Pilot actuated diaphragm valve — 1981-08-18
4223807 Multiple product gasoline dispenser John A. Todd 1980-09-23