Marvin E. Marshall

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Tampa, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for securely retrieving and playing digital media...
- Patent number 11,204,980
- Issue date Dec 21, 2021
- White Hot Visions, LLC
- Marvin Marshall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for securely retrieving and playing digital media
- Patent number 10,078,737
- Issue date Sep 18, 2018
- White Hat Vision, LLC
- Marvin Marshall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for securely retrieving and playing digital media
- Patent number 9,576,114
- Issue date Feb 21, 2017
- Marvin Marshall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for securely retrieving and playing digital media
- Patent number 8,719,946
- Issue date May 6, 2014
- Song1, LLC
- Marvin Marshall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Telephone travel card system under the control of its customers
- Patent number 5,790,636
- Issue date Aug 4, 1998
- Marvin E. Marshall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Credit control system for long distance telephone services
- Patent number 5,068,891
- Issue date Nov 26, 1991
- Marvin Marshall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR SECURELY RETRIEVING AND PLAYING DIGITAL MEDIA...
- Publication number 20200042674
- Publication date Feb 6, 2020
- Marvin Marshall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR SECURELY RETRIEVING AND PLAYING DIGITAL MEDIA
- Publication number 20160246951
- Publication date Aug 25, 2016
- Marvin Marshall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR SECURELY RETRIEVING AND PLAYING DIGITAL MEDIA
- Publication number 20160217275
- Publication date Jul 28, 2016
- Marvin Marshall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR SECURELY RETRIEVING AND PLAYING DIGITAL MEDIA
- Publication number 20150269363
- Publication date Sep 24, 2015
- Marvin Marshall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR SECURELY RETRIEVING AND PLAYING DIGITAL MEDIA
- Publication number 20130232581
- Publication date Sep 5, 2013
- SONG1, LLC
- Marvin Marshall
- G06 - COMPUTING CALCULATING COUNTING