| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 8 | |
| #2 | United Kingdom | 3 | |
| #3 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Footwear manufacturing machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lederer Emil | 11 |
| #2 | Tonko Max | 1 |
| #3 | Lederer August | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB191004983A | Improvements in Boot Trees. | |
| GB190518513A | An Improved Process for Making Emulsions of Mercury or other Conducting Substances, and Apparatus therefor. | |
| CA98558A | Stretcher for boots, shoes, etc. | |
| GB190317440A | Improvements in Stretching Devices for Boots, Shoes and the like |