Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4783745 | Nonvolatile memory unlock for an electronic postage meter | George Brookner | 1988-11-08 |
| 4739486 | Modifying a firmware variable in an electronic postage meter | Edward C. Duwel | 1988-04-19 |
| 4636975 | Controlling firmware branch points in an electronic postage meter | Edward C. Duwel | 1987-01-13 |
| 4635204 | Postal meter with date check reminder means | Howell A. Jones, Alton B. Eckert, Easwaran Nambudiri | 1987-01-06 |
| 4625282 | Postage meter with keyboard keys for causing display of data pertaining to meter operation | Howell A. Jones, Alton B. Eckert, Edward C. Duwel | 1986-11-25 |
| 4623987 | Postage meter with keyboard keys for commanding and requesting performance of meter operations | Howell A. Jones, Alton B. Eckert, Edward C. Duwel, Easwaran Nambudiri | 1986-11-18 |
| 4577283 | Postage meter with keyboard keys for causing meter operations to be performed | Howell A. Jones, Alton B. Eckert, Edward E. Duwel | 1986-03-18 |
| 4573174 | Electronic postage meter having interlock between mechanical and electrical registers | Raymond R. Crowley, Alton B. Eckert | 1986-02-25 |
| 4535421 | Universal real time transparent asynchronous serial/echoplex converter | Edward C. Duwel | 1985-08-13 |
| 4535407 | Postage meter with keyboard keys for changing postage unused amount | Alton B. Eckert, Edward C. Duwel | 1985-08-13 |
| 4528644 | Customizing the firmware after assembly of an electronic postage meter | Edward C. Duwel | 1985-07-09 |
| 4525785 | Electronic postage meter having plural computing system | Alton B. Eckert, Robert B. McFiggans | 1985-06-25 |
| 4525786 | Electronic postage meter having a one time actuable operating program to enable setting of critical accounting registers to predetermined values | Raymond R. Crowley | 1985-06-25 |
| 4509141 | Postage meter with keyboard keys used for changing operating constants | Edward C. Duwel | 1985-04-02 |
| 4506329 | Non-volatile memory serial number lock for electronic postage meter | Edward C. Duwel | 1985-03-19 |
| 4498187 | Electronic postage meter having plural computing systems | Alton B. Eckert, Robert B. McFiggans | 1985-02-05 |
| 4422148 | Electronic postage meter having plural computing systems | Alton B. Eckert, Robert B. McFiggans | 1983-12-20 |
| 4393454 | Electronic parcel register | — | 1983-07-12 |
| 4347506 | Electronic postage meter having check date warning with control for overriding the check date warning | Edward C. Duwel | 1982-08-31 |
| 4345521 | Inhibiting means for postage register parcel identification system | Leonard M. Penque | 1982-08-24 |
| 4321867 | Electro-mechanical latch apparatus | Leonard M. Penque | 1982-03-30 |
| 4301507 | Electronic postage meter having plural computing systems | Alton B. Eckert, Robert B. McFiggans | 1981-11-17 |
| 4280180 | Electronic postage meter having field resettable control values | Alton B. Eckert, Edward C. Duwel | 1981-07-21 |