Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5924840 | Method of extracting contents from envelopes | William Charron, Edward A. Krupotich, James R. Sencenbaugh | 1999-07-20 |
| 5443253 | Remittance processing apparatus and method | Amarjit Dale | 1995-08-22 |
| 5156515 | Machine for extracting contents from envelopes | William Charron, Edward A. Krupotich, James R. Sencenbaugh | 1992-10-20 |
| 4852387 | Method for testing relief valve | — | 1989-08-01 |
| 4840057 | Method and apparatus for testing relief valve | — | 1989-06-20 |
| 4576287 | Apparatus and method for checking the contents of envelopes and sorting documents by thickness | Edward A. Krupotich, Burton J. Rosensweig | 1986-03-18 |
| D278250 | Envelope power conveyor stacker | Burton J. Rosensweig, Edward A. Krupotich | 1985-04-02 |