EL

Edwin R. Langill

📍 Pepperell, MA: #74 of 185 inventorsTop 40%
🗺 Massachusetts: #33,482 of 88,656 inventorsTop 40%
Overall (All Time): #1,655,846 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5358003 Method and apparatus for maintaining level of water in above-ground swimming pools 1994-10-25
5253374 Method and apparatus for maintaining level of water in above-ground swimming pools 1993-10-19
5154205 Method and apparatus for maintaining level of water in above-ground swimming pools 1992-10-13