RB

Robert Belfield

UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #1,659,493 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5265162 Portable pin card George Bush, Estelle Ross 1993-11-23
5130519 Portable pin card George Bush, Estelle Ross 1992-07-14
4190227 Vibration isolator and method for manufacturing same Chester L. Gilbert, Euland M. Bickham 1980-02-26