| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Machines | |
| #3 | Chemical engineering | |
| #4 | Electrical machinery and energy | |
| #5 | Packaging and shipping | |
| #6 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Office furniture | |
| #2 | Separation | |
| #3 | Unspecified technologies | |
| #4 | Unspecified technologies | |
| #5 | Grinding tools | |
| #6 | Special electric heating or lighting | |
| #7 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mccaskey Perry A | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US2350121A | Blade holder | |
| US1833999A | Package | |
| CA171051A | File for accounts | |
| US1106051A | Account-filing device. | |
| US1164830A | Account-filing device. | |
| US1093003A | Cooker. | |
| US1001875A | Combined account and cash register. | |
| US1043332A | Multiple cash-recorder. | |
| US809723A | Credit-accounting appliance. | |
| CA92489A | Credit accounting appliance | |
| US788164A | Credit-accounting appliance. | |
| US783126A | Credit-accounting appliance. | |
| US717247A | Credit-accounting appliance. |