TA

Thomas R. Alspaugh

📍 San Diego, CA: #11,944 of 23,606 inventorsTop 55%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,363,509 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4401100 Water heating system Harold E. Slater 1983-08-30
4341262 Energy storage system and method 1982-07-27