Matthew T. Hartwig

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Lansdale, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Playing surface for a gaming table and method of producing same
- Patent number 8,523,694
- Issue date Sep 3, 2013
- DMI Sports, Inc.
- Matthew Hartwig
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Dartboard cover
- Patent number 7,419,163
- Issue date Sep 2, 2008
- DMI Sports, Inc.
- Matthew T. Hartwig
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Playing Surface for a Gaming Table and Method of Producing Same
- Publication number 20110159974
- Publication date Jun 30, 2011
- DMI SPORTS, INC.
- Matthew HARTWIG
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
COLLAPSIBLE LAMP SHADE AND ASSEMBLY
- Publication number 20080192487
- Publication date Aug 14, 2008
- Gary D. Giegerich
- F21 - LIGHTING
Information Patent Application
DARTBOARD COVER
- Publication number 20070158912
- Publication date Jul 12, 2007
- DMI SPORTS, INC.
- Matthew T. Hartwig
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Game equipment support structure
- Publication number 20040140622
- Publication date Jul 22, 2004
- DMI Sports, Inc.
- Gary D. Giegerich
- A63 - SPORTS GAMES AMUSEMENTS