| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 3 | |
| #3 | Switzerland | 1 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Hats | |
| #2 | Hats | |
| #3 | Office furniture | |
| #4 | Special furniture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cohen Leon | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US1218628A | Hat-box. | |
| US1222528A | Hat-protector. | |
| US1209121A | Combined hat-lining and bandeau. | |
| CA162614A | Hat holder | |
| GB191423567A | Improvements in or relating to Hats. | |
| US1169380A | Self-adjusting hat conformer and retainer. | |
| US1222527A | Hat-lining. | |
| US1144462A | Adjustable hat conformer and retainer. | |
| CA246626A | Hat size reducer | |
| CA246025A | Detachable hat pad |