| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | France | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | Canada | 2 | |
| #5 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Computer technology | |
| #2 | Machines | |
| #3 | Packaging and shipping | |
| #4 | Basic communication technologies |
| # | Technology | |
|---|---|---|
| #1 | Data recognition and presentation | |
| #2 | Unspecified technologies | |
| #3 | Handling thin material | |
| #4 | Pulse technique |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bonnema Robert W | 4 |
| #2 | Larsen Raymond B | 4 |
| #3 | Higgins Archie H | 3 |
| #4 | Edwards Jr Wallace B | 2 |
| #5 | De Karske Clarence W | 1 |
| #6 | Tyler Merle D | 1 |
| #7 | Dekarske Clarence W | 1 |
| #8 | Edwards Wallace B Jr | 1 |
| #9 | Tyler M D | 1 |
| #10 | Cote Lawrence V | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA928349A | Transport means for record cards | |
| US3592463A | Transport means for record cards | |
| US3540647A | Incremental drive assembly | |
| US3437201A | Coded card reading and selecting apparatus | |
| GB1007824A | Card reading apparatus | |
| US3237026A | Inverter circuit | |
| GB951067A | Improvements in or relating to reading machines | |
| US3142749A | Reading machine | |
| CA734807A | Serial card reader |