William Siopes

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Ayer, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Medical valve with improved back-pressure sealing
- Patent number 10,744,314
- Issue date Aug 18, 2020
- NP Medical Inc.
- William Siopes
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Medical valve with improved back-pressure sealing
- Patent number 9,849,274
- Issue date Dec 26, 2017
- NP Medical Inc.
- William Siopes
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Medical valve with improved back-pressure sealing
- Patent number 9,259,565
- Issue date Feb 16, 2016
- NP Medical Inc.
- William Siopes
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Medical valve with improved back-pressure sealing
- Patent number 8,568,371
- Issue date Oct 29, 2013
- NP Medical Inc.
- William Siopes
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Medical Valve with Improved Back-Pressure Sealing
- Publication number 20180093086
- Publication date Apr 5, 2018
- NP MEDICAL INC.
- William Siopes
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Medical Valve with Improved Back-Pressure Sealing
- Publication number 20160114147
- Publication date Apr 28, 2016
- NP MEDICAL INC.
- William Siopes
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Medical Valve with Improved Back-Pressure Sealing
- Publication number 20140031765
- Publication date Jan 30, 2014
- NP MEDICAL INC.
- William Siopes
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Apparatus and Method for Preventing Aperture Re-Knitting
- Publication number 20120220955
- Publication date Aug 30, 2012
- NP MEDICAL INC.
- Luis Maseda
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Medical Valve with Improved Back-Pressure Sealing
- Publication number 20110028915
- Publication date Feb 3, 2011
- NP MEDICAL INC.
- William Siopes
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE