| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Filing and indexing | |
| #2 | Unspecified technologies | |
| #3 | Hand carried bags | |
| #4 | Grinding tools | |
| #5 | Travel equipment | |
| #6 | Windows or door furnishings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hanna Atto N | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US2863202A | Paper clamp or the like | |
| US2852831A | Curtain clasp | |
| US2679674A | Separable connector | |
| US2508024A | Key holder | |
| US2457466A | Hand-operated abrader | |
| US2407153A | Key holder | |
| US2508157A | Loose-leaf binder clip | |
| US2440945A | Loose-leaf binder | |
| US2257052A | Filing device | |
| US2233127A | Key case | |
| US2252926A | Loose-leaf binder | |
| US2191886A | Loose leaf binder | |
| US2013097A | Paper fastener | |
| CA449197A | Key holder |