| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Doors and windows | |
| #2 | Locks | |
| #3 | Office furniture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Glasmanufaktur A-G | 6 |
| Publication | Filing date | Title |
|---|---|---|
| DE960612C | Room closure device that works like the roller shutter | |
| DE851548C | Cover profile frame for shop window and door framing | |
| DE851547C | Window frames | |
| DE804122C | Frame for attaching panes to shop windows and doors | |
| DE865651C | Frames, especially for shop windows |