Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4635922 | Envelope feeding apparatus | Frank T. Roetter | 1987-01-13 |
| 4582313 | Vacuum block document feeder for inserting machine | William P. White | 1986-04-15 |
| 4395255 | Web folding apparatus | George N. Branecky, Frank T. Roetter | 1983-07-26 |
| 4378223 | Web folding apparatus | George N. Branecky, Frank T. Roetter | 1983-03-29 |
| 4261497 | Bursting apparatus | Francis T. Roetter | 1981-04-14 |