JM

John R. Mastandrea

📍 Rancho Palos Verdes, CA: #557 of 1,701 inventorsTop 35%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,653,780 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5295391 Method and apparatus for detecting leaks in the ullage of a liquid storage tank Stewart H. Wells, David B. Peck, Steven T. Jersey 1994-03-22
5107699 Area converter for volumetric leak detector 1992-04-28
4852054 Volumetric leak detection system for underground storage tanks and the like 1989-07-25