JC

John C. Corfield

UL Unimax Switch Limited: 2 patents #2 of 4Top 50%
Overall (All Time): #2,335,407 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4727644 Calibrating components — 1988-03-01
4289001 Key-operated device for access control system — 1981-09-15