David A. Ferriss

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Fort Wayne, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Swim spa with plenum arrangement at head end
- Patent number 9,995,049
- Issue date Jun 12, 2018
- Master Spas, Inc.
- David A. Ferriss
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Swim spa with plenum arrangement at head end
- Patent number 9,428,928
- Issue date Aug 30, 2016
- Master Spas, Inc.
- David A. Ferriss
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Swim spa with plenum arrangement at head end
- Patent number 9,038,208
- Issue date May 26, 2015
- Master Spas, Inc.
- David A. Ferriss
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
SWIM SPA WITH PLENUM ARRANGEMENT AT HEAD END
- Publication number 20160237708
- Publication date Aug 18, 2016
- Master Spas, Inc.
- David A. Ferriss
- E04 - BUILDING
Information Patent Application
SWIM SPA WITH PLENUM ARRANGEMENT AT HEAD END
- Publication number 20150240509
- Publication date Aug 27, 2015
- Master Spas, Inc.
- David A. Ferriss
- E04 - BUILDING
Information Patent Application
SWIM SPA WITH PLENUM ARRANGEMENT AT HEAD END
- Publication number 20080148470
- Publication date Jun 26, 2008
- David A. Ferriss
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE