Dennard Charles Gilpin

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Austin, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Concrete void forming method and device
- Patent number 10,000,938
- Issue date Jun 19, 2018
- Dennard Charles Gilpin
- E04 - BUILDING
Information Patent Grant
Device for forming a void in a concrete foundation
- Patent number 9,771,728
- Issue date Sep 26, 2017
- Dennard Charles Gilpin
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
CONCRETE VOID FORMING METHOD AND DEVICE
- Publication number 20170275903
- Publication date Sep 28, 2017
- Dennard Charles Gilpin
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
CONCRETE VOID FORMING METHOD AND DEVICE
- Publication number 20130313740
- Publication date Nov 28, 2013
- Dennard Charles Gilpin
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING