ES

Ernest M. Schaaf

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Tucson, AZ: #3,393 of 6,004 inventorsTop 60%
🗺 Arizona: #18,403 of 32,909 inventorsTop 60%
Overall (All Time): #4,116,131 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4213306 Method and apparatus for increasing air conditioner efficiency William Peabody 1980-07-22