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Mark C. Smith
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Rockville, MD, US
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last 30 patents
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Patent Grant
Air filtration and positive pressurization system for vehicles in e...
Patent number
7,294,181
Issue date
Nov 13, 2007
Marcor Management, Inc.
Mark C. Smith
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Mobile air powered material separator
Patent number
7,267,230
Issue date
Sep 11, 2007
Marcor Management, Inc.
Mark C. Smith
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Self-propelled floor covering scraper machine
Patent number
6,003,401
Issue date
Dec 21, 1999
Marcor Management, Inc.
Mark C. Smith
E04 - BUILDING
Information
Patent Grant
Separation apparatus and method for granular material
Patent number
5,967,333
Issue date
Oct 19, 1999
Marcor Management, Inc.
Mark C. Smith
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Separation apparatus and method for granular material
Patent number
5,934,482
Issue date
Aug 10, 1999
Marcor Management, Inc.
Mark C. Smith
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Separation apparatus and method for granular material
Patent number
5,934,477
Issue date
Aug 10, 1999
Marcor Management, Inc.
Mark C. Smith
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Self-propelled floor covering scraper machine
Patent number
5,830,313
Issue date
Nov 3, 1998
Marcor Management, Inc.
Mark C. Smith
E04 - BUILDING
Information
Patent Grant
Separation apparatus and method for granular material
Patent number
5,732,829
Issue date
Mar 31, 1998
Marcor Management, Inc.
Mark C. Smith
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING