JC

John E. Callan

AC Allen-Bradley Company: 6 patents #28 of 512Top 6%
📍 Milwaukee, WI: #435 of 2,770 inventorsTop 20%
🗺 Wisconsin: #7,853 of 40,088 inventorsTop 20%
Overall (All Time): #893,406 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5038317 Programmable controller module rack with a relative rack slot addressing mechanism Anthony G. Gibart, Kazuaki Kume, Shigeru Ina 1991-08-06
4507571 Optically coupled input circuit for digital control 1985-03-26
4504927 Programmable controller with expandable I/O interface circuitry 1985-03-12
4435706 Switch network 1984-03-06
4418374 Latch relay drive circuit 1983-11-29
4288744 Summing watt-hour transducer 1981-09-08