| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 12 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Locks | |
| #2 | Hinges for doors or windows | |
| #3 | Wing fittings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zador Josef Dipl Ing | 4 |
| #2 | Beyer Otto | 3 |
| #3 | Maas Ignaz | 2 |
| #4 | Zador Josef | 1 |
| #5 | Witau Paul Dipl-Ing | 1 |
| #6 | Beyer Fritz | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3406975A1 | LATCH LOCK | |
| DE3406554A1 | Door lock | |
| DE3343491A1 | Door lock | |
| DE3246215A1 | Safety mortice door lock | |
| DE3246216A1 | Safety door lock for right-hand and left-hand use |