David E. Pitchenik

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Fairfield, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for verifying the expected postage security device and an au...
- Patent number 6,397,328
- Issue date May 28, 2002
- Pitney Bowes Inc.
- David E. Pitchenik
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for verifying the expected postal security device in a posta...
- Patent number 6,260,144
- Issue date Jul 10, 2001
- Pitney Bowes Inc.
- David E. Pitchenik
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Postage meter system
- Patent number 5,293,319
- Issue date Mar 8, 1994
- Pitney Bowes Inc.
- Michael J. DeSha
- G07 - CHECKING-DEVICES
Information Patent Grant
Postage payment system where accounting for postage payment occurs...
- Patent number 4,796,193
- Issue date Jan 3, 1989
- Pitney Bowes Inc.
- David E. Pitchenik
- G07 - CHECKING-DEVICES