| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 18 | |
| #2 | Switzerland | 11 | |
| #3 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Personal adornments | |
| #2 | Making metal chains | |
| #3 | Punching metal | |
| #4 | Soldering, welding and flame cutting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fr Speidel Firma | 10 |
| #2 | Grimm Reinhard | 2 |
| #3 | Huck Willy | 1 |
| #4 | Speidel Fritz | 1 |
| #5 | Kirschner Alfred | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1926889A1 | Adjustable clip watch strap | |
| DE736942C | Band body for jewelry and utility purposes | |
| DE692272C | Locking or connecting hook for watch bracelets u. like | |
| DE679405C | Closure for width-adjustable bracelets, in particular watch bracelets, with two strands of straps running towards one another | |
| DE438704C | Production of double pipes | |
| DE478859C | Process for the production of jewelry, especially chains, from wire |