DAVID SYSTEMS GMBH

Organization

MUENCHEN, DE

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Digital timeslot and signaling bus in a digital PBX switch
- Patent number 4,975,903
- Issue date Dec 4, 1990
- D.A.V.I.D. Systems, Inc.
- John F. Wakerly
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for coupling computer work stations
- Patent number 4,918,688
- Issue date Apr 17, 1990
- Convergent Technologies, Inc.
- Jeffrey J. Krause
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Interswitch line circuit
- Patent number 4,731,827
- Issue date Mar 15, 1988
- D.A.V.I.D. Systems, Inc.
- Samuel F. Wood
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Three relay C. O. trunk interface
- Patent number 4,689,816
- Issue date Aug 25, 1987
- D.A.V.I.D. Systems, Inc.
- Samuel F. Wood
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distributed clock synchronization in a digital data switching system
- Patent number 4,680,779
- Issue date Jul 14, 1987
- D.A.V.I.D. Systems, Inc.
- John F. Wakerly
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Alternate Mark Invert (AMI) transceiver with switchable detection a...
- Patent number 4,584,690
- Issue date Apr 22, 1986
- D.A.V.I.D. Systems, Inc.
- Luca Cafiero
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Printed circuit board connector system
- Patent number 4,579,406
- Issue date Apr 1, 1986
- D.A.V.I.D. Systems, Inc.
- Arthur I. Laursen
- H01 - BASIC ELECTRIC ELEMENTS

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Trademarklast 30 trademarks

Information Trademark
73747038 - DAVID EXPRESSNET
- Serial number 73747038
- Registration number 1579801
- Filing date Aug 16, 1988
- DAVID SYSTEMS, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73730398 - D-LINK
- Serial number 73730398
- Filing date May 23, 1988
- DAVID SYSTEMS, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments

DAVID SYSTEMS GMBH

Organization

Patents Grantslast 30 patents

Digital timeslot and signaling bus in a digital PBX switch

Method and apparatus for coupling computer work stations

Interswitch line circuit

Three relay C. O. trunk interface

Distributed clock synchronization in a digital data switching system

Alternate Mark Invert (AMI) transceiver with switchable detection a...

Printed circuit board connector system

Trademarklast 30 trademarks

73747038 - DAVID EXPRESSNET

73730398 - D-LINK