Ernest W. Pitches

Follow

Person

Orewa, NZ

People

Patents Grantslast 30 patents

Information Patent Grant
Separation of solids from liquids by screening
- Patent number 4,236,999
- Issue date Dec 2, 1980
- Contra-Shear Holdings Limited
- George Burgess
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL