Chunhua Li

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North Haven, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Software based stamp dispenser
- Patent number 7,383,194
- Issue date Jun 3, 2008
- Pitney Bowes Inc.
- Gary M. Heiden
- G07 - CHECKING-DEVICES
Information Patent Grant
Software based stamp dispenser
- Patent number 6,438,530
- Issue date Aug 20, 2002
- Pitney Bowes Inc.
- Gary M. Heiden
- G07 - CHECKING-DEVICES
Information Patent Grant
Method and system for providing controlled access to information st...
- Patent number 6,131,090
- Issue date Oct 10, 2000
- Pitney Bowes Inc.
- Micheal R. Basso
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for fault tolerant key management
- Patent number 5,621,795
- Issue date Apr 15, 1997
- Pitney Bowes Inc.
- Walter J. Baker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Software based stamp dispenser
- Publication number 20020091545
- Publication date Jul 11, 2002
- Pitney Bowes Inc.
- Gary M. Heiden
- G07 - CHECKING-DEVICES