Dmitry Levitan

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Fairfax, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for off-hook management of plural subscriber p...
- Patent number 6,853,725
- Issue date Feb 8, 2005
- Hubbell Incorporated
- Dmitry Levitan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Plug-in circuit board with reduced insertion force
- Patent number 6,452,114
- Issue date Sep 17, 2002
- Hubbell Incorporated
- Theodore A. Schweitzer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Two-wire channel unit with loopback test capability
- Patent number 5,848,127
- Issue date Dec 8, 1998
- Hubbell Incorporated
- Dmitry Levitan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital telephone system noise reduction circuit
- Patent number 5,278,899
- Issue date Jan 11, 1994
- Hubbell Incorporated
- Dmitry Levitan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for off-hook management of plural subscriber p...
- Publication number 20020176568
- Publication date Nov 28, 2002
- Dmitry Levitan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE