| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 11 | |
| #2 | United Kingdom | 3 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Audio-visual technology | |
| #3 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Bookbinding | |
| #2 | Filing and indexing | |
| #3 | Advertising | |
| #4 | Games |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wolk Wilhelm | 11 |
| Publication | Filing date | Title |
|---|---|---|
| GB864006A | Improvements in and relating to filing posts for loose-leaf binding, more especiallyfor fabric samples or patterns | |
| GB690049A | An improved method and apparatus for applying adhesive in book-binding | |
| GB679515A | Improvements in or relating to bookbinding presses |