| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 3 | |
| #2 | Hungary | 3 | |
| #3 | Poland | 3 | |
| #4 | United States | 3 | |
| #5 | Czechoslovakia | 1 | |
| #6 | German Democratic Republic | 1 | |
| #7 | Germany | 1 | |
| #8 | France | 1 | |
| #9 | Romania | 1 | |
| #10 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Measuring electric variables | |
| #2 | Special information storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Georgiev Georgi A | 5 |
| #2 | Atanassov Ljuben P | 5 |
| #3 | Antonov Dimo P | 5 |
| #4 | Atanassov Atanas T | 4 |
| #5 | Maleschkov Vladimir D | 3 |
| #6 | Russev Ljubomir S | 3 |
| #7 | Kodjabashev Petko V | 2 |
| #8 | Bontschev Pavel P | 2 |
| #9 | Romanov Dobromir R | 2 |
| #10 | Kirov Dimiter L | 2 |
| Publication | Filing date | Title |
|---|---|---|
| YU157784A | Apparatus for independent printing apparatus control | |
| US4485451A | System for monitoring dynamic parameters of magnetic heads | |
| RO82018B | Installation for quality control of dynamic parameters of magnetic capetes | |
| HU181832B | Ceramic ferrite head | |
| PL233352A1 | Ceramic ferrite head | |
| US4425594A | Ceramic-ferrite head |