John Kirkpatrick

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Trafford, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for making a cellulated vitreous material
- Patent number 4,198,224
- Issue date Apr 15, 1980
- Pittsburgh Corning Corporation
- John D. Kirkpatrick
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Acid and heat resistant mortars for cellular glass bodies
- Patent number 4,056,399
- Issue date Nov 1, 1977
- Pittsburgh Corning Corporation
- John Kirkpatrick
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES