Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898570 | Method and apparatus for half folding paper sheets | Harry E. Luperti, Robert Irvine | 1990-02-06 |
| 4805891 | Standard and reverse collator | Harry E. Luperti, Robert Irvine | 1989-02-21 |
| 4640506 | Reverse collating machine | Harry E. Luperti, Robert Irvine | 1987-02-03 |
| 4621966 | Shingle compensating device | Harry E. Luperti | 1986-11-11 |