DL

David L. Lewis

📍 London, CT: #5 of 9 inventorsTop 60%
Overall (2017): #448,070 of 506,227Top 90%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9695568 Permanent shallow frost protected footing foundation for a building and method for constructing a foundation including a permanent shallow frost protected footing 2017-07-04