| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 16 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Audio-visual technology | |
| #3 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Filing and indexing | |
| #2 | Advertising | |
| #3 | Hand-held cutting tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rand Jr James H | 16 |
| Publication | Filing date | Title |
|---|---|---|
| US2170215A | Movable guard for dry shavers | |
| US1572035A | Card-index device | |
| US1589225A | Card-index device | |
| US1495646A | Card-index device | |
| US1560856A | Portable index book or device | |
| US1539206A | Card-index device | |
| US1603406A | Index device | |
| US1607213A | Card-index device | |
| US1558629A | Card-index device | |
| US1489007A | Index or record device | |
| US1429628A | Record cabinet | |
| US1454653A | Visible index or reference device | |
| US1435081A | Index or display device | |
| US1397982A | Card-index system | |
| US1386203A | Index | |
| US1355062A | Leaf structure for index devices |