| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Finishing work on buildings | |
| #2 | Springs | |
| #3 | Doors and windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Perrin Roger | 1 |
| #2 | Herscovici Etienne | 1 |
| #3 | Herscovici E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR2453320A1 | Coil spring holder for stiff springs - having stirrup for each end of spring located in bearings | |
| FR2399516A1 | Inclinable prop and edge beam for awning blind - are connected by pinned joint on slide in beam groove | |
| FR2348339A1 | Shop front awning hoop - has arms hinging on longitudinal member and lockable by nuts and bolts |