| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | United Kingdom | 2 | |
| #3 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machines | |
| #3 | Civil engineering | |
| #4 | Electrical machinery and energy | |
| #5 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Filing and indexing | |
| #2 | Hinges for doors or windows | |
| #3 | Office furniture | |
| #4 | Electric switches | |
| #5 | Unspecified technologies | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Krag Erik L | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US2038573A | Loose leaf binder | |
| US1815304A | Bookstand | |
| US1754471A | Loose-leaf binder | |
| US1648406A | Binder | |
| US1519408A | Switch and switch box | |
| US859303A | Loose-leaf binder. | |
| US746106A | Lock-box. | |
| US731579A | Loose-leaf binder. | |
| CA78349A | Temporary binder | |
| GB190201025A | Improvements in "Binders" for Loose Leaves, Documents and the like. | |
| GB190201026A | Improvements in Temporary Binders for Loose Leaves, Documents and the like. | |
| US730544A | Temporary binder. | |
| US712077A | Temporary binder. |