| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 5 | |
| #2 | Switzerland | 2 | |
| #3 | Germany | 2 | |
| #4 | Spain | 2 | |
| #5 | France | 2 | |
| #6 | Italy | 2 | |
| #7 | Austria | 1 | |
| #8 | Australia | 1 | |
| #9 | Belgium | 1 | |
| #10 | Brazil | 1 | |
| #11 | Canada | 1 | |
| #12 | Denmark | 1 | |
| #13 | Finland | 1 | |
| #14 | United Kingdom | 1 | |
| #15 | Hungary | 1 | |
| #16 | Israel | 1 | |
| #17 | India | 1 | |
| #18 | Norway | 1 | |
| #19 | Poland | 1 | |
| #20 | Portugal | 1 | |
| #21 | USSR (Union of Socialist Soviet Republics) | 1 | |
| #22 | United States | 1 | |
| #23 | Yugoslavia (Serbia and Montenegro) | 1 | |
| #24 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machines | |
| #3 | Optics | |
| #4 | Control | |
| #5 | Audio-visual technology | |
| #6 | Computer technology | |
| #7 | Medical technology |
| # | Technology | |
|---|---|---|
| #1 | Books | |
| #2 | Unspecified technologies | |
| #3 | Photosensitive materials | |
| #4 | Registering devices | |
| #5 | Diagnosis and surgery | |
| #6 | Advertising | |
| #7 | Data recognition and presentation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rothfjell Rolf Eric | 9 |
| #2 | Rothfjell E | 4 |
| #3 | Rothfjell Rolf E | 3 |
| #4 | Rothfjell R | 2 |
| #5 | Aagehaell C | 1 |
| #6 | Rolf Eric Rothfjell | 1 |
| #7 | Rothfjell R E | 1 |
| #8 | Rotfel Rolf Erik | 1 |
| #9 | Loefgren F | 1 |
| #10 | Rothfjeil Rolf E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| BR8201923A | Process of producing an identity document | |
| YU70682A | Process for making personal identity cards | |
| PL235731A1 | Method of producing identification documents | |
| PT74647A | Method of producing an identity document | |
| ZA8201615B | Method of producing an identity document | |
| HU186913B | Method for making certificate serving for documenting identity | |
| DE3137295A1 | METHOD FOR PRODUCING AN IDENTIFICATION DOCUMENT | |
| ES446308A3 | Procedure to fix on paper a photographic agent to the gelatine. (Machine-translation by Google Translate, not legally binding) | |
| IL39152D0 | A method of bonding a gelatine photographic medium to paper | |
| DE1632483A1 | Identity and legitimation document |