Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4271481 | Micro computerized electronic postage meter system | Frank Check, Joseph R. Warren | 1981-06-02 |
| 4266222 | Electronic postage meter having reset base warning | Edward C. Duwel | 1981-05-05 |
| 4259902 | Electronic postage meter with power failure accounting protection system | Lynnwood Lowe, Robert B. McFiggans | 1981-04-07 |
| 4253015 | Electronic postage meter having an accounting system independent of power failure | Robert B. McFiggans | 1981-02-24 |