Lawrence Clark

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Lancaster, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Dynamically crosslinked thermoplastic elastomer
- Patent number 4,829,124
- Issue date May 9, 1989
- Armstrong World Industries, Inc.
- Lawrence Clark
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of making a positioned chip surface covering
- Patent number 4,761,306
- Issue date Aug 2, 1988
- Armstrong World Industries, Inc.
- Lawrence Clark
- B44 - DECORATIVE ARTS
Information Patent Grant
Method of embossing wood grain patterns
- Patent number 4,221,758
- Issue date Sep 9, 1980
- Armstrong Cork Company
- David J. Burkey
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Electroforming mandrel
- Patent number 4,184,940
- Issue date Jan 22, 1980
- Armstrong Cork Company
- David J. Burkey
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method of auto-glazing wood
- Patent number 4,183,977
- Issue date Jan 15, 1980
- Armstrong Cork Company
- David J. Burkey
- B44 - DECORATIVE ARTS
Information Patent Grant
Method of making an electroforming mandrel
- Patent number 4,169,017
- Issue date Sep 25, 1979
- Armstrong Cork Company
- David J. Burkey
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR