Hans Frei

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Chester, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for reinforcing swimming pool wall structures
- Patent number 5,277,004
- Issue date Jan 11, 1994
- Hans Frei
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
Swimming pool with eductor jets
- Publication number 20110004993
- Publication date Jan 13, 2011
- Thomas J. Germinario
- Hans Frei
- E04 - BUILDING
Information Patent Application
Modular swimming pool
- Publication number 20090064404
- Publication date Mar 12, 2009
- Hans Frei
- E04 - BUILDING