JB

John R. Bungard

SP Stc Plc: 1 patents #14 of 64Top 25%
Overall (1989): #96,347 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4809260 Telephone exchange David M. Davidson, Robert Gatward 1989-02-28