Donald A. Ward

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Danube, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Impedance blocking filter circuit for digital subscriber line commu...
- Patent number 6,757,380
- Issue date Jun 29, 2004
- CSI/Suttle Apparatus Corporation
- Ronald L. Fredrickson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cross-talk reduction mounting block for connectors
- Patent number 6,010,372
- Issue date Jan 4, 2000
- Communications Systems, Inc.
- Donald A. Ward
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Connector for reducing electromagnetic field coupling
- Patent number 5,938,479
- Issue date Aug 17, 1999
- Communications Systems, Inc.
- Chad M. Paulson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Shielded couplers
- Patent number 5,934,934
- Issue date Aug 10, 1999
- Communication Systems, Inc.
- Donald A. Ward
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Impedance blocking filter circuit for digital subscriber line commu...
- Publication number 20030016814
- Publication date Jan 23, 2003
- Ronald L. Fredrickson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE