Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5251936 | Overlap check construction or similar business form | — | 1993-10-12 |
| 5199924 | Structure for and method of making overlapping multipart business form unit sets | — | 1993-04-06 |
| 4955526 | Business form such as an envelope | Roger L. Haase | 1990-09-11 |
| 4928874 | Mailer-like business form with transparent front | Paul T. Henry, Roger L. Haase | 1990-05-29 |
| 4747535 | Envelope assembly | Roger L. Haase | 1988-05-31 |
| 4343492 | Multiple ply adhesive business form | — | 1982-08-10 |