| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 3 | |
| #3 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Consumer goods | |
| #3 | Machine tools | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Personal adornments | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Punching metal | |
| #5 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Vogel Robert | 3 |
| #2 | Robert Vogel | 3 |
| #3 | Carl Augenstein | 3 |
| #4 | Augenstein Karl C | 2 |
| #5 | Augenstein Carl | 2 |
| #6 | Speidel Edwin F M | 2 |
| #7 | Johnson Sylvester A | 1 |
| #8 | Johnson Sylester A | 1 |
| #9 | Karl Augenstein | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1761415A | Machine and method for making chain | |
| US1766971A | Flexible band | |
| US1662628A | Bracelet end hook | |
| US1670663A | Chain construction | |
| US1675324A | Bracelet hook | |
| US1670132A | Chain | |
| US1661869A | Chain | |
| US1343939A | Catch device | |
| CA288632A | Chain | |
| CA289793A | Chain | |
| CA288633A | Chain |