Stephen D. Julstrom

Person

Chicago, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Audio monitoring system
- Patent number 11,894,819
- Issue date Feb 6, 2024
- Sensaphonics, Inc.
- Stephen D. Julstrom
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for reducing wind noise in an electronic hearing...
- Patent number 11,095,965
- Issue date Aug 17, 2021
- Etymotic Research, Inc.
- Stephen D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for reducing wind noise in an electronic hearing...
- Patent number 10,779,069
- Issue date Sep 15, 2020
- Etymotic Research, Inc.
- Stephen D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telecoil hum filter
- Patent number 10,476,609
- Issue date Nov 12, 2019
- Etymotic Research, Inc.
- Stephen D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telecoil hum filter
- Patent number 9,859,990
- Issue date Jan 2, 2018
- Etymotic Research, Inc.
- Stephen D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic earplug windscreen
- Patent number 9,232,292
- Issue date Jan 5, 2016
- Etymotic Research, Inc.
- Andrew J. Haapapuro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic earplug
- Patent number 8,649,540
- Issue date Feb 11, 2014
- Etymotic Research, Inc.
- Mead C. Killion
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Rechargeable battery assemblies and methods of constructing recharg...
- Patent number 8,460,816
- Issue date Jun 11, 2013
- Etymotic Research, Inc.
- Stephen D. Julstrom
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Magnetically coupled battery charging system
- Patent number 8,237,402
- Issue date Aug 7, 2012
- Etymotic Research, Inc.
- Stephen Drake Julstrom
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Magnetically coupled battery charging system
- Patent number 8,174,234
- Issue date May 8, 2012
- Etymotic Research, Inc.
- Stephen Drake Julstrom
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Magnetically coupled battery charging system
- Patent number 8,174,233
- Issue date May 8, 2012
- Etymotic Research, Inc.
- Stephen Drake Julstrom
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Audio monitoring system
- Patent number 8,160,261
- Issue date Apr 17, 2012
- Sensaphonics, Inc.
- Robert B. Schulein
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for maintaining a drive signal to a resonant ci...
- Patent number 8,022,775
- Issue date Sep 20, 2011
- Etymotic Research, Inc.
- Stephen Drake Julstrom
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multi-coil coupling system for hearing aid applications
- Patent number 7,522,740
- Issue date Apr 21, 2009
- Etymotic Research, Inc.
- Stephen D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-coil coupling system for hearing aid applications
- Patent number 7,206,426
- Issue date Apr 17, 2007
- Etymotic Research, Inc.
- Steven D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Directional microphone assembly for mounting behind a surface
- Patent number 7,110,553
- Issue date Sep 19, 2006
- Etymotic Research, Inc.
- Stephen D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-coil coupling system for hearing aid applications
- Patent number 7,099,486
- Issue date Aug 29, 2006
- Etymotic Research, Inc.
- Stephen D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission detection and switch system for hearing improvement ap...
- Patent number 6,694,034
- Issue date Feb 17, 2004
- Etymotic Research, Inc.
- Stephen D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Miniature surface mounted directional microphone assembly
- Patent number 6,560,344
- Issue date May 6, 2003
- Etymotic Research, Inc.
- Stephen D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Microphone mixer
- Patent number 5,673,327
- Issue date Sep 30, 1997
- Stephen D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Microphone actuation control system
- Patent number 5,297,210
- Issue date Mar 22, 1994
- Shure Brothers, Incorporated
- Stephen D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Echo reduction circuit
- Patent number 4,991,166
- Issue date Feb 5, 1991
- Shure Brothers Incorporated
- Stephen D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Delta modulation encoding/decoding circuitry
- Patent number 4,811,019
- Issue date Mar 7, 1989
- Shure Brothers Incorporated, Inc.
- Stephen D. Julstrom
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Teleconference system
- Patent number 4,712,231
- Issue date Dec 8, 1987
- Shure Brothers, Inc.
- Stephen D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Directional enhancement circuit
- Patent number 4,696,036
- Issue date Sep 22, 1987
- Shure Brothers, Inc.
- Stephen D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Microphone actuation control system suitable for teleconference sys...
- Patent number 4,658,425
- Issue date Apr 14, 1987
- Shure Brothers, Inc.
- Stephen D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
HEARING ASSISTIVE DEVICES
- Publication number 20240040315
- Publication date Feb 1, 2024
- MCK Audio, Inc.
- Mead Killion
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Audio Monitoring System
- Publication number 20210257981
- Publication date Aug 19, 2021
- Sensaphonics, Inc.
- Stephen D. Julstrom
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR REDUCING WIND NOISE IN AN ELECTRONIC HEARING...
- Publication number 20200374612
- Publication date Nov 26, 2020
- Etymotic Research, Inc.
- Stephen D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR REDUCING WIND NOISE IN AN ELECTRONIC HEARING...
- Publication number 20190182575
- Publication date Jun 13, 2019
- Etymotic Research, Inc.
- Stephen D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TELECOIL HUM FILTER
- Publication number 20180091238
- Publication date Mar 29, 2018
- Etymotic Research, Inc.
- Stephen D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TELECOIL HUM FILTER
- Publication number 20160323043
- Publication date Nov 3, 2016
- Etymotic Research, Inc.
- Stephen D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRONIC EARPLUG WINDSCREEN
- Publication number 20140254852
- Publication date Sep 11, 2014
- ETYMOTIC RESEARCH INC.
- Andrew J. Haapapuro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRONIC EARPLUG
- Publication number 20110103605
- Publication date May 5, 2011
- Etymotic Research, Inc.
- Mead C. Killion
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Rechargeable Battery Assemblies and Methods of Constructing Recharg...
- Publication number 20110086256
- Publication date Apr 14, 2011
- ETYMOTIC RESEARCH INC.
- Stephen D. Julstrom
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Systems and Methods for Maintaining a Drive Signal to a Resonant Ci...
- Publication number 20110084752
- Publication date Apr 14, 2011
- ETYMOTIC RESEARCH INC.
- Stephen D. Julstrom
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Magnetically Coupled Battery Charging System
- Publication number 20110084652
- Publication date Apr 14, 2011
- ETYMOTIC RESEARCH INC.
- Stephen D. Julstrom
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Magnetically Coupled Battery Charging System
- Publication number 20110084653
- Publication date Apr 14, 2011
- ETYMOTIC RESEARCH INC.
- Stephen D. Julstrom
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Magnetically Coupled Battery Charging System
- Publication number 20110084654
- Publication date Apr 14, 2011
- ETYMOTIC RESEARCH INC.
- Stephen D. Julstrom
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Multi-coil coupling system for hearing aid applications
- Publication number 20060269088
- Publication date Nov 30, 2006
- Stephen D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Audio monitoring system
- Publication number 20060182287
- Publication date Aug 17, 2006
- Robert B. Schulein
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Magnetic coupling adaptor
- Publication number 20040240692
- Publication date Dec 2, 2004
- Stephen D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multi-coil coupling system for hearing aid applications
- Publication number 20030152243
- Publication date Aug 14, 2003
- Stephen D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Transmission detection and switch system for hearing improvement ap...
- Publication number 20030044033
- Publication date Mar 6, 2003
- Stephen D. Julstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Stephen D. Julstrom

Person

Patents Grantslast 30 patents

Audio monitoring system

System and method for reducing wind noise in an electronic hearing...

System and method for reducing wind noise in an electronic hearing...

Telecoil hum filter

Telecoil hum filter

Electronic earplug windscreen

Electronic earplug

Rechargeable battery assemblies and methods of constructing recharg...

Magnetically coupled battery charging system

Magnetically coupled battery charging system

Magnetically coupled battery charging system

Audio monitoring system

Systems and methods for maintaining a drive signal to a resonant ci...

Multi-coil coupling system for hearing aid applications

Multi-coil coupling system for hearing aid applications

Directional microphone assembly for mounting behind a surface

Multi-coil coupling system for hearing aid applications

Transmission detection and switch system for hearing improvement ap...

Miniature surface mounted directional microphone assembly

Microphone mixer

Microphone actuation control system

Echo reduction circuit

Delta modulation encoding/decoding circuitry

Teleconference system

Directional enhancement circuit

Microphone actuation control system suitable for teleconference sys...

Patents Applicationslast 30 patents

HEARING ASSISTIVE DEVICES

Audio Monitoring System

SYSTEM AND METHOD FOR REDUCING WIND NOISE IN AN ELECTRONIC HEARING...

SYSTEM AND METHOD FOR REDUCING WIND NOISE IN AN ELECTRONIC HEARING...

TELECOIL HUM FILTER

TELECOIL HUM FILTER

ELECTRONIC EARPLUG WINDSCREEN

ELECTRONIC EARPLUG

Rechargeable Battery Assemblies and Methods of Constructing Recharg...

Systems and Methods for Maintaining a Drive Signal to a Resonant Ci...

Magnetically Coupled Battery Charging System

Magnetically Coupled Battery Charging System

Magnetically Coupled Battery Charging System

Multi-coil coupling system for hearing aid applications

Audio monitoring system

Magnetic coupling adaptor

Multi-coil coupling system for hearing aid applications

Transmission detection and switch system for hearing improvement ap...