Gregory H. Canfield

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Niles, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Offset cartridge microphones
- Patent number 11,678,109
- Issue date Jun 13, 2023
- Shure Acquisition Holdings, Inc.
- Brent Robert Shumard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Offset cartridge microphones
- Patent number 10,547,935
- Issue date Jan 28, 2020
- Shure Acquisition Holdings, Inc.
- Brent Robert Shumard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Offset cartridge microphones
- Patent number 10,009,684
- Issue date Jun 26, 2018
- Shure Acquisition Holdings, Inc.
- Brent Robert Shumard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Offset cartridge microphones
- Patent number 9,554,207
- Issue date Jan 24, 2017
- Shure Acquisition Holdings, Inc.
- Brent Robert Shumard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital Microphone Automixer
- Patent number 8,644,477
- Issue date Feb 4, 2014
- Shure Acquisition Holdings, Inc.
- Mark W. Gilbert
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OFFSET CARTRIDGE MICROPHONES
- Publication number 20220007104
- Publication date Jan 6, 2022
- Shure Acquisition Holdings, Inc.
- Brent Robert Shumard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OFFSET CARTRIDGE MICROPHONES
- Publication number 20180310096
- Publication date Oct 25, 2018
- Shure Acquisition Holdings, Inc.
- Brent Robert Shumard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OFFSET CARTRIDGE MICROPHONES
- Publication number 20170230748
- Publication date Aug 10, 2017
- Shure Acquisition Holdings, Inc.
- Brent Robert Shumard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OFFSET CARTRIDGE MICROPHONES
- Publication number 20160323667
- Publication date Nov 3, 2016
- Shure Acquisition Holdings, Inc.
- Brent Robert Shumard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital Microphone Automixer
- Publication number 20070191977
- Publication date Aug 16, 2007
- Shure Acquisition Holdings Inc.
- Mark W. Gilbert
- H04 - ELECTRIC COMMUNICATION TECHNIQUE