| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | Germany | 2 | |
| #3 | Austria | 1 | |
| #4 | Switzerland | 1 | |
| #5 | France | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Italy | 1 | |
| #8 | Sweden | 1 | |
| #9 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Tools for connecting or disengaging |
| # | Name | Total Patents |
|---|---|---|
| #1 | Evans James P | 5 |
| #2 | Evans J P | 1 |
| #3 | Evans J | 1 |
| #4 | Davidson James W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA990983A | Speed wrenches | |
| DE2156086A1 | SPANNER WRENCH | |
| CA981069A | Speed wrench | |
| US3762244A | Speed wrenches |