| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 12 | |
| #2 | Germany | 4 | |
| #3 | Switzerland | 2 | |
| #4 | United States | 2 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Mechanically computing digital computers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rein Robert | 2 |
| #2 | Locke Karl | 1 |
| #3 | Co G M B H Ludwig Spitz | 1 |
| #4 | Ludwig Spitz Co G M B H | 1 |
| #5 | Brunhuber Rudolf | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1166715A | Calculating-machine. | |
| GB190804938A | Improvements in the Mechanism for Advancing the Tens Wheel in Calculating Machines of the Thomas Type. | |
| US897659A | Calculating-machine. |