David Groll

Follow

Person

Murrysville, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Airtight mask seal
- Patent number 10,814,085
- Issue date Oct 27, 2020
- Circadiance LLC
- David Groll
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Full face cloth respiratory mask
- Patent number 9,981,104
- Issue date May 29, 2018
- Circadiance, LLC
- David Groll
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Respiratory mask with disposable cloth body
- Patent number 9,308,343
- Issue date Apr 12, 2016
- Circadiance, LLC
- David Groll
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Respiratory Mask with Disposable Cloth Body
- Publication number 20140090649
- Publication date Apr 3, 2014
- Circadiance, LLC
- David Groll
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Nasal Interface for Continuous Positive Airway Pressure Mask
- Publication number 20110253144
- Publication date Oct 20, 2011
- David Groll
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Method to cut apertures in a material
- Publication number 20090242529
- Publication date Oct 1, 2009
- David G. Groll
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Apparatus to provide continuous positive airway pressure
- Publication number 20080142015
- Publication date Jun 19, 2008
- David Groll
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Apparatus to provide continuous positive airway pressure
- Publication number 20070175479
- Publication date Aug 2, 2007
- David Groll
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Waste collection system
- Publication number 20070106238
- Publication date May 10, 2007
- XODUS MEDICAL INC.
- David Groll
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE