Robert G. Johnson

Follow

Person

Bloomington, IN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Surge stability improvement of zinc oxide varistor discs
- Patent number 5,264,169
- Issue date Nov 23, 1993
- Electric Power Research Institute, Inc.
- Kenneth C. Radford
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
High energy absorbing varistor
- Patent number 5,142,264
- Issue date Aug 25, 1992
- Electric Power Research Institute, Inc.
- Kenneth C. Radford
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Very high energy absorbing varistor
- Patent number 5,053,739
- Issue date Oct 1, 1991
- Electric Power Research Institute
- Kenneth C. Radford
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for making varistor discs with increased high temperature st...
- Patent number 5,037,594
- Issue date Aug 6, 1991
- Electric Power Research Institute, Inc.
- Kenneth C. Radford
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES