Duwel; Edward C.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Duwel; Edward C..The latest application filed is for "modifying a firmware variable in an electronic postage meter".

Company Profile

0.16.0

Duwel; Edward C. - Trumbull CT

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Modifying a firmware variable in an electronic postage meter Grant 4,739,486 - Soderberg , et al. April 19, 1	1988-04-19
Controlling firmware branch points in an electronic postage meter Grant 4,636,975 - Soderberg , et al. January 13, 1	1987-01-13
Completing an incomplete trip in an electronic postage meter Grant 4,628,476 - Duwel December 9, 1	1986-12-09
Postage meter with keyboard keys for commanding and requesting performance of meter operations Grant 4,623,987 - Soderberg , et al. November 18, 1	1986-11-18
Electronic postage meter having keyboard entered combination for recharging Grant 4,549,281 - Eckert , et al. October 22, 1	1985-10-22
Monitoring the status of the trip cycle in an electronic postage meter Grant 4,536,850 - Duwel August 20, 1	1985-08-20
Postage meter with keyboard keys for changing postage unused amount Grant 4,535,407 - Eckert , et al. August 13, 1	1985-08-13
Universal real time transparent asynchronous serial/echoplex converter Grant 4,535,421 - Duwel , et al. August 13, 1	1985-08-13
Customizing the firmware after assembly of an electronic postage meter Grant 4,528,644 - Soderberg , et al. July 9, 1	1985-07-09
Postage meter system for communicating platen movement to a microprocessor to signal completion of printing Grant 4,519,048 - Abellana , et al. May 21, 1	1985-05-21
Non-volatile memory serial number lock for electronic postage meter Grant 4,506,329 - Duwel , et al. March 19, 1	1985-03-19
Remote postage meter systems having variable user authorization code Grant 4,447,890 - Duwel , et al. May 8, 1	1984-05-08
Electronic postage meter with weak memory indication Grant 4,442,501 - Eckert, Jr. , et al. April 10, 1	1984-04-10
System for entering a postage meter serial number into a nonvolatile memory from an external channel after assembly of the meter Grant 4,424,573 - Eckert, Jr. , et al. January 3, 1	1984-01-03
Electronic postage meter having check date warning with control for overriding the check date warning Grant 4,347,506 - Duwel , et al. August 31, 1	1982-08-31
Electronic postage meter having field resettable control values Grant 4,280,180 - Eckert , et al. July 21, 1	1981-07-21

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