Feng CAI

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Carmel, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Cold-drawn polyolefin copolymers cord for earplug
- Patent number 11,076,995
- Issue date Aug 3, 2021
- 3M Innovative Properties Company
- James D. Brown
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
COLD-DRAWN POLYOLEFIN COPOLYMERS CORD FOR EARPLUG
- Publication number 20210322224
- Publication date Oct 21, 2021
- 3M Innovative Properties Company
- James D. Brown
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
COLD-DRAWN POLYOLEFIN COPOLYMERS CORD FOR EARPLUG
- Publication number 20200179173
- Publication date Jun 11, 2020
- 3M Innovative Properties Company
- James D. Brown
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
TETHER FOR PERSONAL PROTECTIVE DEVICE, SUCH AS A HEARING PROTECTION...
- Publication number 20170079845
- Publication date Mar 23, 2017
- 3M Innovative Properties Company
- Feng CAI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE