Ana Piller

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St. Catharines, CA

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Patents Applicationslast 30 patents

Information Patent Application
Permanent Inlet Flow Restrictor Assembly
- Publication number 20130333786
- Publication date Dec 19, 2013
- Charles H. Graham
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Permanent Inlet Flow Restrictor Assembly
- Publication number 20130255814
- Publication date Oct 3, 2013
- Charles H. Graham
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING