| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machines | |
| #3 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Personal adornments | |
| #2 | Unspecified technologies | |
| #3 | Buttons, pins and buckles | |
| #4 | Mechanically-driven clocks |
| # | Name | Total Patents |
|---|---|---|
| #1 | Abraham Blumstein | 10 |
| #2 | Blumstein Abraham | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3160933A | Cuff links | |
| US3224058A | Cuff links | |
| US3160932A | Cuff links | |
| US2948106A | Watch and pill case or the like | |
| US2804746A | Watch mounting | |
| US2763981A | Bead chain with supported loop connecting links and method of making same | |
| US2437932A | Decorative chain structure | |
| US2455465A | Strap-end attaching clasp | |
| US2392116A | Flexible band structure | |
| US2392115A | Flexible band |