Steven J. Marshall

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Columbia, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Path planning for mine countermeasures
- Patent number 7,272,492
- Issue date Sep 18, 2007
- The Johns Hopkins University
- Christopher B. McCubbin
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Electric musical string instruments
- Patent number 4,858,509
- Issue date Aug 22, 1989
- Steven C. Marshall
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Electric musical string instruments and frets therefor
- Patent number 4,748,887
- Issue date Jun 7, 1988
- Steven C. Marshall
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Path planning for mine countermeasures
- Publication number 20070038366
- Publication date Feb 15, 2007
- Christopher B. McCubbin
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS