PATRICK M. CAMPBELL

Person

SAINT PAUL, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Wireless power transfer and sensing for monitoring pipelines
- Patent number 10,823,717
- Issue date Nov 3, 2020
- 3M Innovative Properties Company
- Stephen J. Willett
- G01 - MEASURING TESTING
Information Patent Grant
Addressable switchable transparent display
- Patent number 9,575,352
- Issue date Feb 21, 2017
- 3M Innovative Properties Company
- Brian T. Weber
- G02 - OPTICS
Information Patent Grant
Audio encoding of control signals for displays
- Patent number 9,137,542
- Issue date Sep 15, 2015
- 3M Innovative Properties Company
- Brian T. Weber
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Display comprising a plurality of substrates and a plurality of dis...
- Patent number 8,599,353
- Issue date Dec 3, 2013
- 3M Innovative Properties Company
- Thomas R. Corrigan
- G02 - OPTICS
Information Patent Grant
Unipolar gray scale drive scheme for cholesteric liquid crystal dis...
- Patent number 8,269,801
- Issue date Sep 18, 2012
- 3M Innovative Properties Company
- Patrick M. Campbell
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Fast transitions of large area cholesteric displays
- Patent number 8,217,930
- Issue date Jul 10, 2012
- 3M Innovative Properties Company
- Patrick M. Campbell
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
WIRELESS POWER TRANSFER AND SENSING FOR MONITORING PIPELINES
- Publication number 20190072532
- Publication date Mar 7, 2019
- 3M Innovative Properties Company
- Stephen J. Willett
- G01 - MEASURING TESTING
Information Patent Application
ADDRESSABLE SWITCHABLE TRANSPARENT DISPLAY
- Publication number 20150029211
- Publication date Jan 29, 2015
- 3M Innovative Properties Company
- BRIAN T. WEBER
- G02 - OPTICS
Information Patent Application
AUDIO ENCODING OF CONTROL SIGNALS FOR DISPLAYS
- Publication number 20150029395
- Publication date Jan 29, 2015
- 3M Innovative Properties Company
- BRIAN T. WEBER
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS PRESENTATION SYSTEM ALLOWING AUTOMATIC ASSOCIATION AND CON...
- Publication number 20140141725
- Publication date May 22, 2014
- Ronald D. Jesme
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTILAYER DISPLAY CONNECTION
- Publication number 20110292323
- Publication date Dec 1, 2011
- 3M Innovative Properties Company
- Thomas R. Corrigan
- G02 - OPTICS
Information Patent Application
FAST TRANSITIONS OF LARGE AREA CHOLESTERIC DISPLAYS
- Publication number 20110050678
- Publication date Mar 3, 2011
- 3M Innovative Properties Company
- Patrick M. Campbell
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
UNIPOLAR GRAY SCALE DRIVE SCHEME FOR CHOLESTERIC LIQUID CRYSTAL DIS...
- Publication number 20100073405
- Publication date Mar 25, 2010
- 3M Innovative Properties Company
- Patrick M. Campbell
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

PATRICK M. CAMPBELL

Person

Patents Grantslast 30 patents

Wireless power transfer and sensing for monitoring pipelines

Addressable switchable transparent display

Audio encoding of control signals for displays

Display comprising a plurality of substrates and a plurality of dis...

Unipolar gray scale drive scheme for cholesteric liquid crystal dis...

Fast transitions of large area cholesteric displays

Patents Applicationslast 30 patents

WIRELESS POWER TRANSFER AND SENSING FOR MONITORING PIPELINES

ADDRESSABLE SWITCHABLE TRANSPARENT DISPLAY

AUDIO ENCODING OF CONTROL SIGNALS FOR DISPLAYS

WIRELESS PRESENTATION SYSTEM ALLOWING AUTOMATIC ASSOCIATION AND CON...

MULTILAYER DISPLAY CONNECTION

FAST TRANSITIONS OF LARGE AREA CHOLESTERIC DISPLAYS

UNIPOLAR GRAY SCALE DRIVE SCHEME FOR CHOLESTERIC LIQUID CRYSTAL DIS...