John David Trevor Graham

Follow

Person

Vancouver, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Fuel storage enclosure
- Patent number D487931
- Issue date Mar 30, 2004
- General Hydrogen Corporation
- John David Trevor Graham
- D25 - Building units and construction elements
Information Patent Grant
Fuel storage enclosure
- Patent number D487807
- Issue date Mar 23, 2004
- General Hydrogen Corporation
- John David Trevor Graham
- D25 - Building units and construction elements