Inventor
CHANG SUNG S
US10 patents
Patents
10 patentsUS5612888AMar 18, 1997
Method and apparatus for generating a mailpiece
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US5517797AMay 21, 1996
Envelope positioning apparatus for inserting machine
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US4910686AMar 20, 1990
Postage meter with non-dollar amount indicia
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US4805109AFeb 14, 1989
Nonvolatile memory protection arrangement for electronic postage meter system having plural nonvolatile memories
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US5437445AAug 1, 1995
Method and apparatus for detecting double fed sheets
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US5618037AApr 8, 1997
Method for maintaining mailpiece integrity
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US4845632AJul 4, 1989
Electonic postage meter system having arrangement for rapid storage of critical postage accounting data in plural nonvolatile memories
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US4933616AJun 12, 1990
Drive control system for imprinting apparatus
PITNEY BOWES INC18 citations73
US4817004AMar 28, 1989
Electronic postage meter operating system
PITNEY BOWES INC15 citations71
US5644486AJul 1, 1997
Programmable controller for mechanical systems
PITNEY BOWES INC12 citations69