Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4235431 | Method and apparatus for transporting documents with preselected interdocument spacing | John Sargis, Jr., Paul H. Seger, Albert Beitner, Clifton C. Bishop | 1980-11-25 |
| 4222216 | Opening of envelope with darkened edges | — | 1980-09-16 |