Don Hefner

Person

St. Paul, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus to synchronize a location determination in a s...
- Patent number 9,332,928
- Issue date May 10, 2016
- Medtronic, Inc.
- H. Toby Markowitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Determining a location of a member
- Patent number 9,179,860
- Issue date Nov 10, 2015
- Medtronic, Inc.
- H. Toby Markowitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Interference blocking and frequency selection
- Patent number 8,843,189
- Issue date Sep 23, 2014
- Medtronic, Inc.
- H. Toby Markowitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Uni-polar and bi-polar switchable tracking system between
- Patent number 8,831,701
- Issue date Sep 9, 2014
- Medtronic, Inc.
- H. Toby Markowitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Determining and illustrating a structure
- Patent number 8,768,434
- Issue date Jul 1, 2014
- Medtronic, Inc.
- H. Toby Markowitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Determining a size of a representation of a tracked member
- Patent number 8,660,640
- Issue date Feb 25, 2014
- Medtronic, Inc.
- H. Toby Markowitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method and apparatus for mapping a structure
- Patent number 8,494,608
- Issue date Jul 23, 2013
- Medtronic, Inc.
- H. Toby Markowitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Quantifying autonomic tone with thoracic impedance
- Patent number 8,435,186
- Issue date May 7, 2013
- Medtronic, Inc.
- Douglas A. Hettrick
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method and apparatus for determining tracking a virtual point defin...
- Patent number 8,340,751
- Issue date Dec 25, 2012
- Medtronic, Inc.
- H. Toby Markowitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method and apparatus for mapping a structure
- Patent number 8,260,395
- Issue date Sep 4, 2012
- Medtronic, Inc.
- H. Toby Markowitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Determining a flow characteristic of a material in a structure
- Patent number 8,214,018
- Issue date Jul 3, 2012
- Medtronic, Inc.
- H. Toby Markowitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
QUANTIFYING AUTONOMIC TONE WITH THORACIC IMPEDANCE
- Publication number 20110190654
- Publication date Aug 4, 2011
- Medtronic, Inc.
- Douglas A. Hettrick
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Multiple Sensor for Structure Identification
- Publication number 20090267773
- Publication date Oct 29, 2009
- H. Toby Markowitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Determining a Location of a Member
- Publication number 20090262982
- Publication date Oct 22, 2009
- H. Toby Markowitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Reference Structure for a Tracking System
- Publication number 20090264744
- Publication date Oct 22, 2009
- H. Toby Markowitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Determining and Illustrating a Structure
- Publication number 20090264742
- Publication date Oct 22, 2009
- H. Toby Markowitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Method and Apparatus To Synchronize a Location Determination in a S...
- Publication number 20090264745
- Publication date Oct 22, 2009
- H. Toby Markowitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Method And Apparatus For Mapping A Structure
- Publication number 20090264752
- Publication date Oct 22, 2009
- H. Toby Markowitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Locating an Introducer
- Publication number 20090264740
- Publication date Oct 22, 2009
- H. Toby Markowitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Determining a Size of A Representation of A Tracked Member
- Publication number 20090264741
- Publication date Oct 22, 2009
- H. Toby Markowitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Determining a Flow Characteristic of a Material in a Structure
- Publication number 20090264777
- Publication date Oct 22, 2009
- H. Toby Markowitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Determining a Material Flow Characteristic in a Structure
- Publication number 20090262979
- Publication date Oct 22, 2009
- H. Toby Markowitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Uni-Polar and Bi-Polar Switchable Tracking System between
- Publication number 20090264778
- Publication date Oct 22, 2009
- H. Toby Markowitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Interference Blocking and Frequency Selection
- Publication number 20090264743
- Publication date Oct 22, 2009
- H. Toby Markowitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Method and Apparatus for Determining Tracking a Virtual Point Defin...
- Publication number 20090262980
- Publication date Oct 22, 2009
- H. Toby Markowitz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Person

Patents Grantslast 30 patents

Method and apparatus to synchronize a location determination in a s...

Determining a location of a member

Interference blocking and frequency selection

Uni-polar and bi-polar switchable tracking system between

Determining and illustrating a structure

Determining a size of a representation of a tracked member

Method and apparatus for mapping a structure

Quantifying autonomic tone with thoracic impedance

Method and apparatus for determining tracking a virtual point defin...

Method and apparatus for mapping a structure

Determining a flow characteristic of a material in a structure

Patents Applicationslast 30 patents

QUANTIFYING AUTONOMIC TONE WITH THORACIC IMPEDANCE

Multiple Sensor for Structure Identification

Determining a Location of a Member

Reference Structure for a Tracking System

Determining and Illustrating a Structure

Method and Apparatus To Synchronize a Location Determination in a S...

Method And Apparatus For Mapping A Structure

Locating an Introducer

Determining a Size of A Representation of A Tracked Member

Determining a Flow Characteristic of a Material in a Structure

Determining a Material Flow Characteristic in a Structure

Uni-Polar and Bi-Polar Switchable Tracking System between

Interference Blocking and Frequency Selection

Method and Apparatus for Determining Tracking a Virtual Point Defin...