Robert J. Lechner

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St. Charles County, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Modular video display system
- Patent number 6,190,172
- Issue date Feb 20, 2001
- McDonnell Douglas Corporation
- Robert J. Lechner
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Modular video display system
- Patent number 5,927,985
- Issue date Jul 27, 1999
- McDonnell Douglas Corporation
- Robert J. Lechner
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Modular video display system
- Patent number 5,746,599
- Issue date May 5, 1998
- McDonnell Douglas Corporation
- Robert J. Lechner
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Video display system and method for generating and individually pos...
- Patent number 5,487,665
- Issue date Jan 30, 1996
- McDonnell Douglas Corporation
- Robert J. Lechner
- G06 - COMPUTING CALCULATING COUNTING