Inventor
ECKERT ALTON B
US32 patents
Patents
32 patentsUS4649266AMar 10, 1987
Method and apparatus for verifying postage
PITNEY BOWES INC147 citations99
US4301507ANov 17, 1981
Electronic postage meter having plural computing systems
PITNEY BOWES INC154 citations97
US4641346AFeb 3, 1987
System for the printing and reading of encrypted messages
PITNEY BOWES INC115 citations95
US4579054AApr 1, 1986
Stand-alone electronic mailing machine
PITNEY BOWES INC53 citations92
US4534018AAug 6, 1985
Non-volatile memory protection circuit with microprocessor interaction
PITNEY BOWES INC29 citations92
US4445198AApr 24, 1984
Memory protection circuit for an electronic postage meter
PITNEY BOWES INC29 citations92
US4280180AJul 21, 1981
Electronic postage meter having field resettable control values
PITNEY BOWES INC40 citations92
US4829568AMay 9, 1989
System for the printing and reading of encrypted messages
PITNEY BOWES INC46 citations91
US4302821ANov 24, 1981
Interposer control for electronic postage meter
PITNEY BOWES INC38 citations89
US4675841AJun 23, 1987
Micro computerized electronic postage meter system
PITNEY BOWES INC24 citations82
US4584647AApr 22, 1986
Electronic postage meter with a ring counter
PITNEY BOWES INC19 citations82
US4549281AOct 22, 1985
Electronic postage meter having keyboard entered combination for recharging
PITNEY BOWES INC22 citations82
US4422148ADec 20, 1983
Electronic postage meter having plural computing systems
PITNEY BOWES INC21 citations82
US4547853AOct 15, 1985
Electronic postage meter reset circuit
PITNEY BOWES INC20 citations74
US4525785AJun 25, 1985
Electronic postage meter having plural computing system
PITNEY BOWES INC18 citations74
US4524426AJun 18, 1985
Electronic postage meter controllable by mailing machine
PITNEY BOWES INC15 citations74
US4500780AFeb 19, 1985
Apparatus and method for aligning postage meter components with an optical sensor
PITNEY BOWES INC18 citations74
US4498187AFeb 5, 1985
Electronic postage meter having plural computing systems
PITNEY BOWES INC12 citations74
US4492160AJan 8, 1985
Postage printing apparatus having a movable print head and a variable speed drum rotation
PITNEY BOWES INC12 citations74
US4283721AAug 11, 1981
Electronic postage meter having check date warning
PITNEY BOWES INC17 citations74
US4635204AJan 6, 1987
Postal meter with date check reminder means
PITNEY BOWES INC14 citations72
US4577283AMar 18, 1986
Postage meter with keyboard keys for causing meter operations to be performed
PITNEY BOWES INC18 citations69
US4622651ANov 11, 1986
Electronic postage meter having piezoelectric audio transducer energized by stepping motor driver circuit
PITNEY BOWES INC5 citations63
US4580496AApr 8, 1986
Inker mounting arrangement for a value printing device
PITNEY BOWES INC4 citations63
US4535407AAug 13, 1985
Postage meter with keyboard keys for changing postage unused amount
PITNEY BOWES INC6 citations63
US4516494AMay 14, 1985
Anti theft device for a printing machine print wheel assembly
PITNEY BOWES INC5 citations63
US4516014AMay 7, 1985
Date checking device for electronic postage meter
PITNEY BOWES INC5 citations63
US4266222AMay 5, 1981
Electronic postage meter having reset base warning
PITNEY BOWES INC6 citations63
US4623987ANov 18, 1986
Postage meter with keyboard keys for commanding and requesting performance of meter operations
PITNEY BOWES INC5 citations62
US4559443ADec 17, 1985
Initializing the print wheels in an electronic postage meter
PITNEY BOWES INC3 citations62
US4573174AFeb 25, 1986
Electronic postage meter having interlock between mechanical and electrical registers
PITNEY BOWES INC4 citations61
US4625282ANov 25, 1986
Postage meter with keyboard keys for causing display of data pertaining to meter operation
PITNEY BOWES INC0 citations41