| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | Denmark | 5 | |
| #3 | Austria | 4 | |
| #4 | United Kingdom | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Buttons, pins and buckles | |
| #2 | Producing goods from plastic | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sohr Hans-Ulrich | 17 |
| Publication | Filing date | Title |
|---|---|---|
| CA719627A | Manufacture of sliding clasp fasteners | |
| CA759657A | Winding apparatus for producing slide fasteners | |
| CA885163A | Method for making sliding clasp fasteners | |
| CA681623A | Slide-fastener manufacturing apparatus | |
| CA727345A | Helical slide fastener |