James Steffl

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Watertown, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Oil-filtration system with electronic safety locking system
- Patent number 11,191,389
- Issue date Dec 7, 2021
- Oberlin Filter Co.
- Eric J. Evraets
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
Oil-Filtration System with Electronic Safety Locking System
- Publication number 20210177208
- Publication date Jun 17, 2021
- Oberlin Filter Company
- Eric J. Evraets
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...