Henry G. Stein

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Lancaster, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing rollformed sections
- Patent number 5,979,055
- Issue date Nov 9, 1999
- Worthington Armstrong Venture
- Gale E. Sauer
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Decorative elements for subceilings
- Patent number 5,495,697
- Issue date Mar 5, 1996
- Wesley T. K. Bischel
- E04 - BUILDING
Information Patent Grant
Decorative elements for subceilings
- Patent number 5,421,132
- Issue date Jun 6, 1995
- Armstrong World Industries, Inc.
- Wesley T. K. Bischel
- E04 - BUILDING
Information Patent Grant
Decorative elements for subceilings
- Patent number 5,265,393
- Issue date Nov 30, 1993
- Armstrong World Industries, Inc.
- Wesley T. K. Bischel
- E04 - BUILDING