PE

Peter Edington Ellen

📍 Sha Tin, CN: #387 of 2,424 inventorsTop 20%
Overall (All Time): #1,274,322 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6481883 Apparatus and method for mixing cementitious materials having a cyclonic disc mixer and weighing means — 2002-11-19
5069008 Building panel — 1991-12-03
4676045 Post-tensioned steel structure — 1987-06-30
4467702 Hydraulic jacks — 1984-08-28