James A. Crookston

Follow

Person

Mexico, MO, US

People

Patents Grantslast 30 patents

Information Patent Grant
High density low porosity refractory product and process for making...
- Patent number 4,231,978
- Issue date Nov 4, 1980
- A. P. Green Refractor
- James A. Crookston
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Chromic oxide refractory
- Patent number 4,149,899
- Issue date Apr 17, 1979
- A. P. Green Refractories Co.
- James A. Crookston
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES