| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 18 | |
| #2 | Canada | 2 | |
| #3 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools | |
| #3 | Textiles and paper | |
| #4 | Machines | |
| #5 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jacob Kiefer | 16 |
| #2 | Kiefer Jacob | 6 |
| #3 | Lawrence Stephen S | 2 |
| Publication | Filing date | Title |
|---|---|---|
| CA140111A | Shoe mending device | |
| US1023155A | Device for mending shoes. | |
| CA70808A | Shoemaker's tool | |
| US641019A | Shoemaker's tool. |