Hugh Stephen McDonald

DP Davey Products Pty: 1 patents #3 of 8Top 40%

📍 Cockatoo, CA: #8 of 9 inventorsTop 90%

Overall (All Time): #1,369,097 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
12037277	Drinking water treatment system	—	2024-07-16
10954151	Drinking water treatment system	—	2021-03-23
5044511	Manufacture and method of producing a resilient diaphragm suitable for liquid pressure tanks	—	1991-09-03