Douglas J. Platts

📍 Worksop, GB: #9 of 31 inventorsTop 30%

Overall (All Time): #2,363,834 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4422651	Closure for pipes or pressure vessels and a seal therefor	—	1983-12-27
4406030	Pipeline spheres	—	1983-09-27