CHAD WILLIAM CERWIN

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DURANGO, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Prefabricated concrete pier top form
- Patent number 11,795,709
- Issue date Oct 24, 2023
- Chad William Cerwin
- E04 - BUILDING
Information Patent Grant
Construction layout tool with line guide
- Patent number 8,567,079
- Issue date Oct 29, 2013
- Chad William Cerwin
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
PREFABRICATED CONCRETE PIER TOP FORM
- Publication number 20220112671
- Publication date Apr 14, 2022
- Chad William Cerwin
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
CONSTRUCTION LAYOUT TOOL WITH LINE GUIDE
- Publication number 20110061252
- Publication date Mar 17, 2011
- CHAD WILLIAM CERWIN
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES