John Richard Harbar

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Patents Grantslast 30 patents

Information Patent Grant
Electric batteries
- Patent number 4,044,194
- Issue date Aug 23, 1977
- Secretary of State for Industry in Her Britannic Majesty's Government of the...
- Leslie Samuel Evans
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric cells
- Patent number 4,044,191
- Issue date Aug 23, 1977
- The Secretary of State for Industry in Her Britannic Majesty's Government of...
- Leslie Samuel Evans
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sodium-sulfur electric batteries with ceramic spacer in sulfur comp...
- Patent number 4,035,553
- Issue date Jul 12, 1977
- The Secretary of State for Industry in Her Britannic Majesty's Government of...
- Leslie Samuel Evans
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric cells
- Patent number 4,011,366
- Issue date Mar 8, 1977
- United Kingdom Atomic Energy Authority
- Roger John Bones
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric cells
- Patent number 3,932,195
- Issue date Jan 13, 1976
- Secretary of State for Industry in Her Britannic Majesty's Government of the...
- Leslie Samuel Evans
- H01 - BASIC ELECTRIC ELEMENTS