Patent US 4567081A
| Patent number | US 4567081A (click link for details and documents via Google Patents) |
|---|---|
| Title | Separator sheets for collation with a stack of transparencies |
| Inventors | Arthur C. VanHorne |
| Company | Tektronix Inc |
| Filing date | 1984-07-18 |
| Grant date | 1986-01-28 |