| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 10 | |
| #2 | France | 5 | |
| #3 | Austria | 3 | |
| #4 | Germany | 2 | |
| #5 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Doors and windows | |
| #2 | Finishing work on buildings | |
| #3 | Punching metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heinrich Bretscher | 9 |
| #2 | Bretscher Heinrich | 2 |
| #3 | Bruno Muellhaupt | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1175723A | A Sun-Blind with Two Articulated Arms | |
| GB976928A | Improvements in or relating to self-locking drive mechanism for venetian blinds |