Roger Raymond Dwinell

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Canyon Country, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Video conversion technology
- Patent number 11,997,417
- Issue date May 28, 2024
- Warner Bros. Entertainment Inc.
- William Evans Butterworth
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Video conversion technology
- Patent number 10,687,017
- Issue date Jun 16, 2020
- Warner Bros. Entertainment Inc.
- William Evans Butterworth
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Video conversion technology
- Patent number 10,277,862
- Issue date Apr 30, 2019
- Warner Bros. Entertainment Inc.
- William Evans Butterworth
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video conversion technology
- Patent number 9,723,257
- Issue date Aug 1, 2017
- Warner Bros. Entertainment Inc.
- William Evans Butterworth
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video conversion technology
- Patent number 9,241,128
- Issue date Jan 19, 2016
- Warner Bros. Entertainment Inc.
- William Evans Butterworth
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
VIDEO CONVERSION TECHNOLOGY
- Publication number 20240348745
- Publication date Oct 17, 2024
- Warner Bros Entertainment Inc.
- William Evans Butterworth
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
VIDEO CONVERSION TECHNOLOGY
- Publication number 20200389620
- Publication date Dec 10, 2020
- Warner Bros Entertainment Inc.
- William Evans Butterworth
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VIDEO CONVERSION TECHNOLOGY
- Publication number 20190253661
- Publication date Aug 15, 2019
- Warner Bros Entertainment Inc.
- William Evans Butterworth
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
VIDEO CONVERSION TECHNOLOGY
- Publication number 20170332040
- Publication date Nov 16, 2017
- Warner Bros Entertainment Inc.
- William Evans Butterworth
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VIDEO CONVERSION TECHNOLOGY
- Publication number 20160100128
- Publication date Apr 7, 2016
- Warner Bros Entertainment Inc.
- William Evans Butterworth
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VIDEO CONVERSION TECHNOLOGY
- Publication number 20140226065
- Publication date Aug 14, 2014
- Warner Bros Entertainment Inc.
- William Evans Butterworth
- H04 - ELECTRIC COMMUNICATION TECHNIQUE