George I. F. Tupper

BB British Broadcasting: 1 patents #3 of 13Top 25%

EC English Electric Valve Co.: 1 patents #5 of 18Top 30%

📍 Paragon Road, GB: #3 of 11 inventorsTop 30%

Overall (1989): #111,070 of 140,708Top 80%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4820996	Amplifying arrangements	Roy Heppinstall, Paul Eaton, Edmund K. Tunstall	1989-04-11