David Darwin Lewis

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Yorbalinda, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Bidirectional fluid flow valve and method
- Patent number 10,327,971
- Issue date Jun 25, 2019
- Kap Medical
- Raj Krish Gowda
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Patient support apparatus and method
- Patent number 9,801,767
- Issue date Oct 31, 2017
- KAP MEDICAL, INC.
- Raj K. Gowda
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Bidirectional fluid flow valve and method
- Patent number 9,662,253
- Issue date May 30, 2017
- Kap Medical
- Raj Krish Gowda
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
LED traffic signal light with automatic low-line voltage compensati...
- Patent number 5,663,719
- Issue date Sep 2, 1997
- Electro-Tech's
- Raymond E. Deese
- G08 - SIGNALLING
Information Patent Grant
LED traffic signal light with automatic low-line voltage compensati...
- Patent number 5,457,450
- Issue date Oct 10, 1995
- R & M Deese Inc.
- Raymond E. Deese
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
BIDIRECTIONAL FLUID FLOW VALVE AND METHOD
- Publication number 20170224564
- Publication date Aug 10, 2017
- Kap Medical
- Raj Krish Gowda
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
BIDIRECTIONAL FLUID FLOW VALVE AND METHOD
- Publication number 20140261723
- Publication date Sep 18, 2014
- Kap Medical
- Raj Krish Gowda
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
PATIENT SUPPORT APPARATUS AND METHOD
- Publication number 20140259432
- Publication date Sep 18, 2014
- Raj K. Gowda
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE