RD

Regina Elvira Dugan

🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #66,979 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4846854 System for venting gas from a liquid storage tank 1989-07-11