| Highsmith, 1985/86, p. 254, Element A. |
| Labogken Co., Ltd., circular entitled, "Film Sleever (Film Cutting Inserter)", 2 sheets. |
| Picture Pocket Corporation, brochure entitled, "The Supermarket for Sleeving Material", 4 pages. |
| Plastican Corporation, circular entitled, "Organize Your Slides, Transparencies, Prints and Negatives in Plastican Vinyl Pages", 2 sheets. |
| Plastican Corporation, circular entitled, "Plastican Slide Frames Twenty Slides at a Glance", 1 sheet. |
| Photo Plastic Products, Inc., circular entitled, "Print File", 2 sheets. |
| Vue-All, Inc., circular entitled, "Top Load Heavyweight 2.times.2 Slide Page Format", 1 sheet. |
| Vue-All, Inc., circular entitled, "Slide Load Heavyweight 2.times.2 Slide Page Format", 1 sheet. |
Patent Grant
D318488
