FK

Frank A. Knopf

EA Eaton: 1 patents #1,900 of 3,708Top 55%
📍 Milwaukee, WI: #1,543 of 2,770 inventorsTop 60%
🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%
Overall (All Time): #4,100,787 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4301508 Digital processing system for time-of-day and demand meter display John Aaron Anderson, Richard C. Born, Richard R. Sabroff, Herman P. Schutten, Donald L. Van Zeeland 1981-11-17