Patricia L. Wertz

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Lancaster, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing decorative surface coverings
- Patent number 4,847,117
- Issue date Jul 11, 1989
- Armstrong World Industries, Inc.
- Richard H. Balmer
- B44 - DECORATIVE ARTS
Information Patent Grant
Decorative surface coverings
- Patent number 4,816,317
- Issue date Mar 28, 1989
- Armstrong World Industries, Inc.
- Richard H. Balmer
- B44 - DECORATIVE ARTS