DS

David John Stretch

CL Comalco Aluminum Limited: 1 patents #33 of 88Top 40%
📍 Arrowtown, NZ: #2 of 4 inventorsTop 50%
Overall (All Time): #1,338,109 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12352045 Modular slab, slab system, piles and methods of use thereof Warrick Weber 2025-07-08
11891802 Modular slab, slab system, piles and methods of use thereof Warrick Weber 2024-02-06
5476574 Continuous alumina feeder Barry John Welch, Jennifer M. Purdie 1995-12-19