| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 5 | |
| #2 | Belgium | 1 | |
| #3 | Canada | 1 | |
| #4 | Germany | 1 | |
| #5 | Spain | 1 | |
| #6 | Italy | 1 | |
| #7 | Netherlands | 1 | |
| #8 | Sweden | 1 | |
| #9 | United States | 1 | |
| #10 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Vehicle connections | |
| #2 | Hand carts | |
| #3 | Travel equipment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Persyn Roland | 4 |
| #2 | Roland Persyn | 2 |
| Publication | Filing date | Title |
|---|---|---|
| FR2678554A1 | Novel device for absorbing shocks | |
| FR2556942A1 | Holding device for the strap of a bag slung across the shoulder | |
| FR2469333A1 | Trolley for transporting beach accessories - has bag on self supporting frame with anchor rod, permitting attachment of wind break and umbrella | |
| YU242977A | Trailer stabilizer | |
| US4230333A | Tow stabilizer |