| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Furniture and games | |
| #3 | Optics | |
| #4 | Machine tools | |
| #5 | Machines | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Filing and indexing | |
| #2 | Office furniture | |
| #3 | Sawing | |
| #4 | Unspecified technologies | |
| #5 | Clutches and brakes | |
| #6 | Special furniture | |
| #7 | Cameras |
| # | Name | Total Patents |
|---|---|---|
| #1 | Scholfield Richard P | 9 |
| #2 | Smirnoff Boris T | 2 |
| #3 | Scholfield R | 2 |
| #4 | Kelly Robert E | 1 |
| #5 | Houghtaling Lester R | 1 |
| #6 | Scholfield Ethel E | 1 |
| #7 | Donovan Timothy F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3834050A | Pivot file with multiple rows of file cards | |
| US3826549A | Pivot file | |
| US3054202A | Index guides and tabs | |
| US3147849A | Filing apparatus | |
| US3106920A | Filing apparatus | |
| US2813770A | Filing apparatus | |
| US2853353A | Filing apparatus | |
| US2778592A | Support for rotary files | |
| US2778454A | Portable rotary file | |
| US2484033A | Brake mechanism for rotary files | |
| US2493167A | Filing apparatus | |
| US2536574A | Filing apparatus |