| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Belgium | 1 | |
| #3 | Germany | 1 | |
| #4 | Denmark | 1 | |
| #5 | France | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Italy | 1 | |
| #8 | Norway | 1 | |
| #9 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Personal adornments | |
| #3 | Buttons, pins and buckles | |
| #4 | Shaping of plastics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Skobel Max | 10 |
| Publication | Filing date | Title |
|---|---|---|
| US4651390A | Releasable clasp | |
| US4534090A | Releasable clasp | |
| US4408375A | Releasable connector | |
| US3965931A | Balanced flow cross-head |