Hefner; Don
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hefner; Don.The latest application filed is for "multiple sensor for structure identification".
- Hefner; Don - St. Paul MN US
| Patent | Date |
|---|---|
| Method and apparatus to synchronize a location determination in a structure with a characteristic of the structure Grant 9,332,928 - Markowitz , et al. May 10, 2 | 2016-05-10 |
| Determining a location of a member Grant 9,179,860 - Markowitz , et al. November 10, 2 | 2015-11-10 |
| Interference blocking and frequency selection Grant 8,843,189 - Markowitz , et al. September 23, 2 | 2014-09-23 |
| Uni-polar and bi-polar switchable tracking system between Grant 8,831,701 - Markowitz , et al. September 9, 2 | 2014-09-09 |
| Determining and illustrating a structure Grant 8,768,434 - Markowitz , et al. July 1, 2 | 2014-07-01 |
| Determining a size of a representation of a tracked member Grant 8,660,640 - Markowitz , et al. February 25, 2 | 2014-02-25 |
| Method and apparatus for mapping a structure Grant 8,494,608 - Markowitz , et al. July 23, 2 | 2013-07-23 |
| Method and apparatus for determining tracking a virtual point defined relative to a tracked member Grant 8,340,751 - Markowitz , et al. December 25, 2 | 2012-12-25 |
| Method and apparatus for mapping a structure Grant 8,260,395 - Markowitz , et al. September 4, 2 | 2012-09-04 |
| Determining a flow characteristic of a material in a structure Grant 8,214,018 - Markowitz , et al. July 3, 2 | 2012-07-03 |
| Multiple Sensor for Structure Identification App 20090267773 - Markowitz; H. Toby ; et al. | 2009-10-29 |
| Determining a Size of A Representation of A Tracked Member App 20090264741 - Markowitz; H. Toby ; et al. | 2009-10-22 |
| Method And Apparatus For Mapping A Structure App 20090264752 - Markowitz; H. Toby ; et al. | 2009-10-22 |
| Method and Apparatus for Determining Tracking a Virtual Point Defined Relative to a Tracked Member App 20090262980 - Markowitz; H. Toby ; et al. | 2009-10-22 |
| Determining a Location of a Member App 20090262982 - Markowitz; H. Toby ; et al. | 2009-10-22 |
| Reference Structure for a Tracking System App 20090264744 - Markowitz; H. Toby ; et al. | 2009-10-22 |
| Determining a Material Flow Characteristic in a Structure App 20090262979 - Markowitz; H. Toby ; et al. | 2009-10-22 |
| Uni-Polar and Bi-Polar Switchable Tracking System between App 20090264778 - Markowitz; H. Toby ; et al. | 2009-10-22 |
| Interference Blocking and Frequency Selection App 20090264743 - Markowitz; H. Toby ; et al. | 2009-10-22 |
| Method and Apparatus To Synchronize a Location Determination in a Structure With a Characteristic of the Structure App 20090264745 - Markowitz; H. Toby ; et al. | 2009-10-22 |
| Locating an Introducer App 20090264740 - Markowitz; H. Toby ; et al. | 2009-10-22 |
| Determining a Flow Characteristic of a Material in a Structure App 20090264777 - Markowitz; H. Toby ; et al. | 2009-10-22 |
| Determining and Illustrating a Structure App 20090264742 - Markowitz; H. Toby ; et al. | 2009-10-22 |
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