Frank J. Koller Jr.

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Lancaster, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Low density fibrous sheet material
- Patent number 4,443,262
- Issue date Apr 17, 1984
- Armstrong World Industries, Inc.
- Jay L. Piersol
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of increasing the freeness of asbestos slurries
- Patent number 4,032,392
- Issue date Jun 28, 1977
- Armstrong Cork Company
- Frank J. Koller
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE