Elvin M. Weidman

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Willow Street, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Vinyl structure having an embossed top layer and a foam base
- Patent number 3,962,507
- Issue date Jun 8, 1976
- Armstrong Cork Company
- Willard E. McCreary
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for forming decorative surface coverings
- Patent number 3,953,564
- Issue date Apr 27, 1976
- Armstrong Cork Company
- Elvin M. Weidman
- B44 - DECORATIVE ARTS