| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Germany | 5 | |
| #3 | Canada | 2 | |
| #4 | Switzerland | 2 | |
| #5 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Computer technology | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Data recognition and presentation | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lanahan John H | 5 |
| #2 | Abraham William W | 3 |
| #3 | Lanahan J | 2 |
| #4 | John H Lanahan | 2 |
| #5 | Abraham W | 2 |
| #6 | W Abraham William | 1 |
| #7 | H Lanahan John | 1 |
| #8 | Lanahan John L | 1 |
| #9 | Abram William W | 1 |
| #10 | William W Abraham | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3672498A | Card sorting device and method | |
| US3704781A | Information storage cards | |
| US3690457A | Card sorting device | |
| US3682033A | Disappearing punch | |
| US3645438A | Floating decimal coding system | |
| US3586166A | Card-sorting method and apparatus |