David Klawon

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Tucson, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Charging case for electronic devices
- Patent number 10,461,581
- Issue date Oct 29, 2019
- NOOK DIGITAL, LLC
- David Christopher Klawon
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Connection mechanism
- Patent number D816617
- Issue date May 1, 2018
- Google LLC
- Jason Wong
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Charging case for electronic devices
- Patent number 9,819,216
- Issue date Nov 14, 2017
- NOOK DIGITAL, LLC
- David Christopher Klawon
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Planar front illumination system having a light guide with micro le...
- Patent number 9,285,530
- Issue date Mar 15, 2016
- NOOK DIGITAL, LLC
- Charles Neugebauer
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
CHARGING CASE FOR ELECTRONIC DEVICES
- Publication number 20180069423
- Publication date Mar 8, 2018
- Nook Digital, LLC
- David Christopher Klawon
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CHARGING CASE FOR ELECTRONIC DEVICES
- Publication number 20160141910
- Publication date May 19, 2016
- Nook Digital, LLC
- David Christopher Klawon
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CHARGING CASE FOR ELECTRONIC DEVICES
- Publication number 20140021909
- Publication date Jan 23, 2014
- David Christopher Klawon
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PLANAR FRONT ILLUMINATION SYSTEM HAVING A LIGHT GUIDE WITH MICRO LE...
- Publication number 20130063969
- Publication date Mar 14, 2013
- barnesandnoble.com LLC
- Charles Neugebauer
- G02 - OPTICS