John Kijowski

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Bradford, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for leveling a batch of pulverulent constituen...
- Patent number 4,571,321
- Issue date Feb 18, 1986
- Pittsburgh Corning Corporation
- John Kijowski
- 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