RB

Richard Broadhurst

JP Johnson Matthey Plc: 1 patents #1 of 9Top 15%
📍 Stapleford, GB: #2 of 3 inventorsTop 70%
Overall (1982): #36,933 of 81,411Top 50%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4364173 Method of making an electrical contact 1982-12-21