Mary B. Grubb

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Landisville, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Aminoplast/polyurethane wear layer for PVC support surface
- Patent number 5,643,677
- Issue date Jul 1, 1997
- Armstrong World Industries, Inc.
- Joseph P. Feifer
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Method for making stain and scratch resistant resilient surface cov...
- Patent number 4,855,165
- Issue date Aug 8, 1989
- Armstrong World Industries, Inc.
- Nicholas C. Bolgiano
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Stain and scratch resistant resilient surface coverings
- Patent number 4,781,987
- Issue date Nov 1, 1988
- Armstrong World Industries, Inc.
- Nicholas C. Bolgiano
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...