Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5470182 | Envelope opening machine | Edward A. Krupotich | 1995-11-28 |
| 4576287 | Apparatus and method for checking the contents of envelopes and sorting documents by thickness | George H. Bingham, Edward A. Krupotich | 1986-03-18 |
| D278250 | Envelope power conveyor stacker | George H. Bingham, Edward A. Krupotich | 1985-04-02 |