Joseph P. Keller

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Wahpeton, ND, US

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Patents Grantslast 30 patents

Information Patent Grant
Stethoscope
- Patent number 10,667,782
- Issue date Jun 2, 2020
- 3M Innovative Properties Company
- Joseph P. Keller
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Stethoscope diaphragm
- Patent number 10,213,181
- Issue date Feb 26, 2019
- 3M Innovative Properties Company
- Joseph P. Keller
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Stethoscope with one-piece tubing, chest piece and diaphragm-rim
- Patent number D814631
- Issue date Apr 3, 2018
- 3M Innovative Properties Company
- Robert S. Kody
- D24 - Medical and laboratory equipment
Information Patent Grant
System and method for automating the assembly of data storage devices
- Patent number 6,386,471
- Issue date May 14, 2002
- Imation Corp.
- Joseph P. Keller
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
ONE PIECE STETHOSCOPE DIAPHRAGM
- Publication number 20180214114
- Publication date Aug 2, 2018
- Joseph P. Keller
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
STETHOSCOPE
- Publication number 20180085086
- Publication date Mar 29, 2018
- 3M Innovative Properties Company
- Joseph P. Keller
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
STETHOSCOPE DIAPHRAGM
- Publication number 20180008227
- Publication date Jan 11, 2018
- 3M Innovative Properties Company
- Joseph P. Keller
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE