Inventor · disambiguated record
David E. Pitchenik
Also filed as: PITCHENIK DAVID E
4 granted patents·227 citations·filing 1986–1996
81Inventor score
Files withPITNEY BOWES INC4
Top patents by PatentIndex Score
4 records- 0191US4796193APostage payment system where accounting for postage payment occurs at a time subsequent to the printing of the postage and employing a visual marking imprinted on the mailpiece to show that accounting has occurredPITNEY BOWES INC·Filed 1986·Granted Jan 3, 1989·68 cites·12 claims
- 0280US5293319APostage meter systemPITNEY BOWES INC·Filed 1993·Granted Mar 8, 1994·87 cites·8 claims
- 0348US6397328B1Method for verifying the expected postage security device and an authorized host systemPITNEY BOWES INC·Filed 1996·Granted May 28, 2002·63 cites·12 claims
- 0439US6260144B1Method for verifying the expected postal security device in a postage metering systemPITNEY BOWES INC·Filed 1996·Granted Jul 10, 2001·9 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →