John D. Haden

DH D. H. Haden: 1 patents #1 of 2Top 50%

📍 Rugeley, GB: #2 of 2 inventorsTop 100%

Overall (1989): #95,161 of 140,708Top 70%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4812623	Electrical apparatus	Eric Duxbury	1989-03-14