Christine A. Fredricks

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Mount Prospect, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
One-way check valve
- Patent number 10,226,614
- Issue date Mar 12, 2019
- Illinois Tool Works Inc.
- Robert F. Tumminaro
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
ONE-WAY CHECK VALVE
- Publication number 20120004623
- Publication date Jan 5, 2012
- Illinois Tool Works Inc.
- Robert F. Tumminaro
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE