Christopher Lee Greenwalt

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Dixon, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Trapeze hanger system including twist-locking fitting
- Patent number 9,732,887
- Issue date Aug 15, 2017
- Cooper Technologies Company
- Zhihui Zhang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Trapeze hanger system including twist-locking fitting
- Patent number 9,458,952
- Issue date Oct 4, 2016
- Cooper Technologies Company
- Zhihui Zhang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
TRAPEZE HANGER SYSTEM INCLUDING TWIST-LOCKING FITTING
- Publication number 20160369918
- Publication date Dec 22, 2016
- Cooper Technologies Company
- Zhihui Zhang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
TRAPEZE HANGER SYSTEM INCLUDING TWIST-LOCKING FITTING
- Publication number 20150316203
- Publication date Nov 5, 2015
- Cooper Technologies Company
- Zhihui Zhang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...