David P. Hartrick

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Lowell, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Decorative surface finish and method of forming same
- Patent number 8,632,864
- Issue date Jan 21, 2014
- Lacks Industries, Inc.
- Ling Hao
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Process for preparing chrome surface for coating
- Patent number 7,597,935
- Issue date Oct 6, 2009
- Lacks Enterprises, Inc.
- Qihua Xu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Plating rack with rotatable insert
- Patent number 7,097,749
- Issue date Aug 29, 2006
- Lacks Enterprises, Inc.
- Lawrence P. Donovan, III
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method for controlling organic micelle size in nickel-plating solution
- Patent number 6,306,275
- Issue date Oct 23, 2001
- Lacks Enterprises, Inc.
- Lawrence P. Donovan
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents

Information Patent Application
DECORATIVE SURFACE FINISH AND METHOD OF FORMING SAME
- Publication number 20120199554
- Publication date Aug 9, 2012
- Ling Hao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
DECORATIVE SURFACE FINISH AND METHOD OF FORMING SAME
- Publication number 20110045317
- Publication date Feb 24, 2011
- Ling Hao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Plating rack with rotatable insert
- Publication number 20040065557
- Publication date Apr 8, 2004
- Lawrence P. Donovan
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Process for preparing chrome surface for coating
- Publication number 20030205481
- Publication date Nov 6, 2003
- Qihua Xu
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR