Stephen John

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Portage, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Dual-pressure respiratory assistance device
- Patent number 11,951,251
- Issue date Apr 9, 2024
- Anna John
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
DUAL-PRESSURE RESPIRATORY ASSISTANCE DEVICE
- Publication number 20220347414
- Publication date Nov 3, 2022
- Stephen John
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
DUAL-PRESSURE RESPIRATORY ASSISTANCE DEVICE
- Publication number 20210093811
- Publication date Apr 1, 2021
- Anna John
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE